/**
 * snapfit.js 1.01 (20-Mar-2009) (c) by Christian Effenberger 
 * All Rights Reserved. Source: snapfit.netzgesta.de
 * Distributed under Netzgestade Software License Agreement.
 * This license permits free of charge use on non-commercial 
 * and private web sites only under special conditions. 
 * Read more at... http://www.netzgesta.de/cvi/LICENSE.txt
 * syntax:
	
	snapfit.defaultLevel		= 3;			//INT 0-6 (0==simple and 6==difficult) 
	snapfit.defaultSpace 		= 0;			//INT 0-50 (% inner frame space)
	snapfit.defaultSnap 		= 8;			//INT 1-24 (px snap radius)
	snapfit.defaultMixed		= false;		//BOOLEAN (mix at startup)
	snapfit.defaultSimple		= false;		//BOOLEAN (mix positions only)
	snapfit.defaultNokeys		= false;		//BOOLEAN (no keyboard control)
	snapfit.defaultPolygon		= false;		//BOOLEAN (polygons/rectangles)
	snapfit.defaultMatchcolor	= '#00d000';	//STR '#000000'-'#ffffff'
	snapfit.defaultFalsecolor	= '#ff0000';	//STR '#000000'-'#ffffff'
	snapfit.defaultBgrndcolor	= '#000000';	//STR '#000000'-'#ffffff'
	snapfit.defaultAreacolor	= '#e0e0e0';	//STR '#000000'-'#ffffff'
	snapfit.defaultAreaimage	= false;		//BOOLEAN (image as background)
	snapfit.defaultAreaborder	= false;		//BOOLEAN (background border)
	snapfit.defaultBorderwide	= 2.0;			//FLOAT 1.0-6.0 (px wide)
	snapfit.defaultAreaopacity	= 0.33;			//FLOAT 0.0-1.0 (area/image opacity)
	snapfit.defaultBorderopacity= 0.5;			//FLOAT 0.0-1.0 (border/backside opacity)
	snapfit.defaultShadowopacity= 0.75;			//FLOAT 0.0-1.0 (shadow opacity)
	
	snapfit.add( image, options );
	snapfit.add( image, { option: value, option: value, option: value ...} );
	snapfit.admix( canvas [, BOOLEAN] ); //BOOLEAN equals snapfit.defaultSimple
	snapfit.reset( canvas [, INT] );  //INT equals snapfit.defaultLevel
	snapfit.solve( canvas ); 
	snapfit.remove( canvas );
FLT=snapfit.version;
STR=snapfit.released;
	
 *
**/

var cvi_stactive, cvi_stpiece, snapfit = { version : 1.01, released : '2009-03-20 19:12:00', 
	defaultSimple : false, defaultAreaborder : false, defaultSpace : 0, defaultAreaopacity : 0.33, 
	defaultMixed : false, defaultAreaimage : false, defaultSnap : 8, defaultBorderopacity : 0.5,
	defaultFalsecolor : '#ff0000', defaultAreacolor : '#e0e0e0', defaultShadowopacity : 0.75,
	defaultMatchcolor : '#00d000', defaultBgrndcolor : '#000000', defaultBorderwide : 2, 
	defaultLevel : 3, defaultNokeys : false, defaultPolygon : false,
	add : function(image, options) {
		if(image.tagName.toUpperCase()=="IMG"&&image.width>=128&&image.height>=128) {
			function uniqueID() {var v=Date.parse(new Date())+Math.floor(Math.random()*100000000000); return v.toString(16);}
			function hex2rgb(val) {function h2d(v){return(Math.max(0,Math.min(parseInt(v,16),255)));} return h2d(val.substr(1,2))+','+h2d(val.substr(3,2))+','+h2d(val.substr(5,2));};
			function dec2hex(v) {return '#'+v.toString(16)+v.toString(16)+v.toString(16);};
			var self,reso,imageWidth,imageHeight,isIE=0,defopts={"polygon":snapfit.defaultPolygon, "level":snapfit.defaultLevel, "space":snapfit.defaultSpace, "snap":snapfit.defaultSnap, "mixed":snapfit.defaultMixed, "simple":snapfit.defaultSimple, "nokeys":snapfit.defaultNokeys, "bcolor":snapfit.defaultBgrndcolor, "fcolor":snapfit.defaultFalsecolor, "mcolor":snapfit.defaultMatchcolor, "acolor":snapfit.defaultAreacolor, "aopacity":snapfit.defaultAreaopacity, "aborder":snapfit.defaultAreaborder, "aimage":snapfit.defaultAreaimage, "bopacity":snapfit.defaultBorderopacity, "bwide":snapfit.defaultBorderwide, "sopacity":snapfit.defaultShadowopacity};
			if(options) {for(var i in defopts) {if(!options[i]) {options[i]=defopts[i];}}}else {options=defopts;}
			imageWidth=('iwidth' in options)?parseInt(options.iwidth):image.width;
			imageHeight=('iheight' in options)?parseInt(options.iheight):image.height;
			if(document.all&&document.namespaces&&!window.opera) {
				if(document.namespaces['v']==null) {
					var e=["shape","shapetype","group","background","path","formulas","handles","fill","stroke","shadow","textbox","textpath","imagedata","line","polyline","curve","roundrect","oval","rect","arc","image"],s=document.createStyleSheet(); 
					for(var i=0; i<e.length; i++) {s.addRule("v\\:"+e[i],"behavior: url(#default#VML);");} document.namespaces.add("v","urn:schemas-microsoft-com:vml");
				} var dpl=(image.currentStyle.display.toLowerCase()=='block')?'block':'inline-block'; isIE=1;       
				self=document.createElement(['<var unselectable="on" style="zoom:1;display:'+dpl+';overflow:hidden;width:'+imageWidth+'px;height:'+imageHeight+'px;padding:0px;">'].join(''));
				var flt=image.currentStyle.styleFloat.toLowerCase(); self.dpl=(flt=='left'||flt=='right')?'inline':dpl;
			}else {self=document.createElement('canvas'); reso=document.createElement('canvas');}
			if((isIE&&self)||(reso&&self&&reso.getContext("2d")&&self.getContext("2d"))) {
				self.id=(image.id=='undefined'||image.id==''?uniqueID():image.id); self.vml=isIE; 
				self.alt=image.alt; self.title=image.title; self.img=image.src; self.className=image.className; self.style.cssText=image.style.cssText;
				self.style.height=imageHeight+'px'; self.style.width=imageWidth+'px'; self.height=imageHeight; self.width=imageWidth;
				self.sf=Math.min(1-Math.min((typeof options['space']==='number'?options['space']:snapfit.defaultSpace)*0.01,0.5),1.0);
				self.iw=parseInt(self.width*self.sf); self.ih=parseInt(self.height*self.sf);
				self.xo=parseInt((self.width-self.iw)/2); self.yo=parseInt((self.height-self.ih)/2);
				self.wk4=navigator.appVersion.indexOf('WebKit')!=-1&&!document.defaultCharset?1:0;
				self.ge8=navigator.userAgent.indexOf('Gecko')>-1&&window.updateCommands&&!window.external?1:0;
				if(self.vml) {image.parentNode.replaceChild(self,image);}else {
					reso.height=self.ih; reso.width=self.iw; reso.style.height=reso.height+'px'; reso.style.width=reso.width+'px';
					if(self.wk4) {reso.id=self.id+'_buffer'; reso.style.position='fixed'; reso.style.left='-99999px'; reso.style.top='0px'; image.parentNode.appendChild(reso);}
					reso.ctx=reso.getContext("2d"); reso.ctx.drawImage(image,0,0,self.iw,self.ih); image.parentNode.replaceChild(self,image); self.reso=reso; 
				}self.pc=Math.min(Math.max((typeof options['level']==='number'?options['level']:snapfit.defaultLevel),0),6);
				self.sv=Math.min(Math.max((typeof options['snap']==='number'?options['snap']:snapfit.defaultSnap),1),24);
				self.nak=(typeof options['nokeys']==='boolean'?options['nokeys']:snapfit.defaultNokeys);
				self.ply=(typeof options['polygon']==='boolean'?options['polygon']:snapfit.defaultPolygon);
				self.pos=(typeof options['simple']==='boolean'?options['simple']:snapfit.defaultSimple);
				self.mix=(typeof options['mixed']==='boolean'?options['mixed']:snapfit.defaultMixed);
				self.bw=Math.min(Math.max((typeof options['bwide']==='number'?options['bwide']:snapfit.defaultBorderwide),1.0),6.0);
				self.bo=Math.min(Math.max((typeof options['bopacity']==='number'?options['bopacity']:snapfit.defaultBorderopacity),0.0),1.0);
				self.ao=Math.min(Math.max((typeof options['aopacity']==='number'?options['aopacity']:snapfit.defaultAreaopacity),0.0),1.0);
				self.so=Math.min(Math.max((typeof options['sopacity']==='number'?options['sopacity']:snapfit.defaultShadowopacity),0.0),1.0);
				self.hxs=dec2hex(parseInt((1-self.so)*255)); self.lsd=300; self.nhc=false;
				self.ab=(typeof options['aborder']==='boolean'?options['aborder']:snapfit.defaultAreaborder);
				self.ai=(typeof options['aimage']==='boolean'?options['aimage']:snapfit.defaultAreaimage);
				self.bcl=(typeof options['bcolor']==='string'?options['bcolor'].match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?options['bcolor']:snapfit.defaultBgrndcolor:snapfit.defaultBgrndcolor);
				self.fcl=(typeof options['fcolor']==='string'?options['fcolor'].match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?options['fcolor']:snapfit.defaultFalsecolor:snapfit.defaultFalsecolor);
				self.acl=(typeof options['acolor']==='string'?options['acolor'].match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?options['acolor']:snapfit.defaultAreacolor:snapfit.defaultAreacolor);
				self.mcl=(typeof options['mcolor']==='string'?options['mcolor'].match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?options['mcolor']:snapfit.defaultMatchcolor:snapfit.defaultMatchcolor);
				self.tmp=Math.min(self.iw,self.ih)/(self.ply?2:1); self.sz=[Math.min(self.tmp,160),Math.min(self.tmp,128),Math.min(self.tmp,104),Math.min(self.tmp,80),Math.min(self.tmp,64),Math.min(self.tmp,56),Math.min(self.tmp,48)]; 
				self.dbc=hex2rgb(self.bcl); self.dfc=hex2rgb(self.fcl); self.dac=hex2rgb(self.acl); self.dmc=hex2rgb(self.mcl);
				self.style.MozUserSelect="none"; self.style.KhtmlUserSelect="none"; self.style.WebkitUserSelect="none"; self.unselectable="on";
				self.offsetX=snapfit._xoff(self); self.offsetY=snapfit._yoff(self); self.deltaX=0; self.deltaY=0; self.evtX=0; self.evtY=0;
				self.dragging=false; self.progress=false; self.cur=-1; snapfit.reset(self,self.pc,true); if(self.mix) {snapfit.admix(self,self.pos,true);}
				if(self.vml) {self.oncontextmenu=function() {return false;}; if(!self.nak) {self.onmouseenter=this._catchEnter; self.onmouseleave=this._catchLeave;}}else {
					self.ctx=self.getContext("2d"); self.ctx.shadowOffsetX=4; self.ctx.shadowOffsetY=4; self.ctx.shadowBlur=6; self.ctx.shadowColor="rgba(0,0,0,0)";
					self.onmousedown=this._isPressed; self.onmousemove=this._isDragged; self.onmouseup=this._isReleased; self.ondblclick=this._isDblclicked; 
					self.onmouseout=this._isReleased; self.onclick=function() {return false;}; self.oncontextmenu=function() {return false;};
					if(!self.nak) {self.onmouseover=this._catchOver; self.addEventListener('mouseout',this._catchOut,false);}
				}snapfit._paint(self); return true;
			}return false;
		}return false;
	},
	
	remove : function(self) {
		if(!self.progress&&(self.getContext||self.tagName.toUpperCase()=="VAR")) {
			var obj=self.parentNode,img=document.createElement('img'); 
			if(self.wk4) {obj.removeChild(document.getElementById(self.id+'_buffer'));} 
			img.id=self.id; img.alt=self.alt; img.title=self.title; img.src=self.img;
			img.className=self.className; img.style.cssText=self.style.cssText;
			img.style.height=self.height+'px'; img.style.width=self.width+'px';
			obj.replaceChild(img,self);
		}
	},
	
	reset : function(self,pres,option) { 
		if(!self.progress&&(self.getContext||self.tagName.toUpperCase()=="VAR")) {
			self.progress=true; self.style.cursor=self.vml?'wait':'progress'; self.pc=Math.min(Math.max((typeof pres==='number'?pres:self.pc),0),6);
			var i,j,a,t,m,xo,yo,wp,wf,hp,hf,tw,th,lt,lc,lb,ct,cc,cb,rt,rc,rb,z=0,n=self.sz[self.pc],p={}; 
			t=self.iw/n; wp=Math.round(t); tw=self.iw/wp; wf=tw/self.iw; xo=wf*.25; t=self.ih/n; hp=Math.round(t); th=self.ih/hp; hf=th/self.ih; yo=hf*.25; 
			m=[[0,0],[0,hf],[wf,hf],[wf,0]]; self.obj=[]; if(self.ply) {
				p.lt=[[0,0],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0]]; p.ltz=snapfit._shade(p.lt,self.lsd,self.nhc);
				p.ct=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0]]; p.ctz=snapfit._shade(p.ct,self.lsd,self.nhc);
				p.rt=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,0]]; p.rtz=snapfit._shade(p.rt,self.lsd,self.nhc);
				p.lc=[[0,0],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.lcz=snapfit._shade(p.lc,self.lsd,self.nhc);
				p.cc=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.ccz=snapfit._shade(p.cc,self.lsd,self.nhc);
				p.rc=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[xo,hf],[wf/2,hf+yo],[wf-xo,hf],[wf,hf],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.rcz=snapfit._shade(p.rc,self.lsd,self.nhc);
				p.lb=[[0,0],[0,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.lbz=snapfit._shade(p.lb,self.lsd,self.nhc);
				p.cb=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[wf,hf],[wf,hf-yo],[wf+xo,hf/2],[wf,yo],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.cbz=snapfit._shade(p.cb,self.lsd,self.nhc);
				p.rb=[[0,0],[0,yo],[xo,hf/2],[0,hf-yo],[0,hf],[wf,hf],[wf,0],[wf-xo,0],[wf/2,yo],[xo,0]]; p.rbz=snapfit._shade(p.rb,self.lsd,self.nhc);
				for(i=0; i<hp; i++) {
					if(i==0) {for(j=0; j<wp; j++) {self.obj[z]=new Object(); self.obj[z].a=0; self.obj[z].f=0; self.obj[z].m=0; self.obj[z].x=(j*wf); self.obj[z].y=(i*hf); if(j==0) {self.obj[z].s=0; self.obj[z].w=wf+xo; self.obj[z].h=hf+yo; self.obj[z].t=p.lt; self.obj[z].l=p.ltz;}else if(j==(wp-1)) {self.obj[z].s=1; self.obj[z].w=wf; self.obj[z].h=hf+yo; self.obj[z].t=p.rt; self.obj[z].l=p.rtz;}else {self.obj[z].s=0; self.obj[z].w=wf+xo; self.obj[z].h=hf+yo; self.obj[z].t=p.ct; self.obj[z].l=p.ctz;}z++;}}
					else if(i==(hp-1)) {for(j=0; j<wp; j++) {self.obj[z]=new Object(); self.obj[z].a=0; self.obj[z].f=0; self.obj[z].m=0; self.obj[z].x=(j*wf); self.obj[z].y=(i*hf); if(j==0) {self.obj[z].s=2; self.obj[z].w=wf+xo; self.obj[z].h=hf; self.obj[z].t=p.lb; self.obj[z].l=p.lbz;}else if(j==(wp-1)) {self.obj[z].s=3; self.obj[z].w=wf; self.obj[z].h=hf; self.obj[z].t=p.rb; self.obj[z].l=p.rbz;}else {self.obj[z].s=2; self.obj[z].w=wf+xo; self.obj[z].h=hf; self.obj[z].t=p.cb; self.obj[z].l=p.cbz;}z++;}}
					else {for(j=0; j<wp; j++) {self.obj[z]=new Object();self.obj[z].a=0; self.obj[z].f=0; self.obj[z].m=0; self.obj[z].x=(j*wf); self.obj[z].y=(i*hf); if(j==0) {self.obj[z].s=0; self.obj[z].w=wf+xo; self.obj[z].h=hf+yo; self.obj[z].t=p.lc; self.obj[z].l=p.lcz;}else if(j==(wp-1)) {self.obj[z].s=1; self.obj[z].w=wf; self.obj[z].h=hf+yo; self.obj[z].t=p.rc; self.obj[z].l=p.rcz;}else {self.obj[z].s=0; self.obj[z].w=wf+xo; self.obj[z].h=hf+yo; self.obj[z].t=p.cc; self.obj[z].l=p.ccz;} z++;}}
				}}
			else {for(i=0; i<hp; i++) {for(j=0; j<wp; j++) {self.obj[z]=new Object(); self.obj[z].a=0; self.obj[z].f=0; self.obj[z].m=0; self.obj[z].x=(j*wf); self.obj[z].y=(i*hf); self.obj[z].w=wf; self.obj[z].h=hf; self.obj[z].t=m; z++;}}}
			for(i=0; i<self.obj.length; i++) {a=[],t=self.obj[i].t;
				for(j=0; j<t.length; j++) {a[j]=[t[j][0]*self.iw,t[j][1]*self.ih];} self.obj[i].t=a; self.obj[i].w=self.obj[i].w*self.iw; self.obj[i].h=self.obj[i].h*self.ih; self.obj[i].x=self.xo+(self.obj[i].x*self.iw); 
				self.obj[i].y=self.yo+(self.obj[i].y*self.ih); self.obj[i].ox=self.obj[i].x-self.xo; self.obj[i].oy=self.obj[i].y-self.yo; self.obj[i].ow=self.obj[i].w; self.obj[i].oh=self.obj[i].h;
			}
			if(self.vml) {
				var ele,head,foot,fill,back,parts='';
				head='<v:group oncontextmenu="return false" unselectable="on" style="zoom:1;display:'+self.dpl+';margin:0px;padding:0px;position:relative;width:'+self.width+'px;height:'+self.height+'px;" coordsize="'+self.width+','+self.height+'"><v:rect oncontextmenu="return false" unselectable="on" strokeweight="0" filled="f" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:'+self.width+'px;height:'+self.height+'px;"></v:rect>'; foot='</v:group>';
				back='<v:rect oncontextmenu="return false" unselectable="on" filled="t" stroked="'+(!self.ai&&self.ab?'t':'f')+'" strokeweight="'+(!self.ai&&self.ab?1:0)+'" style="zoom:1;margin:0px;padding:0px;display:block;position:absolute;top:'+self.yo+'px;left:'+self.xo+'px;width:'+self.iw+'px;height:'+self.ih+'px; filter:Alpha(opacity='+(self.ai?0:self.ao*100)+')"><v:fill color="'+self.acl+'" /></v:rect>';
				fill='<v:rect oncontextmenu="return false" unselectable="on" filled="t" stroked="'+(self.ai&&self.ab?'t':'f')+'" strokeweight="'+(self.ai&&self.ab?1:0)+'" style="zoom:1;margin:0px;padding:0px;display:block;position:absolute;top:'+self.yo+'px;left:'+self.xo+'px;width:'+self.iw+'px;height:'+self.ih+'px; filter:Alpha(opacity='+(self.ai?self.ao*100:0)+')"><v:fill src="'+self.img+'" type="frame" aspect="atleast" /></v:rect>';
				var p,l,wl,hl,k=0,x=.5,y=.5,w=parseFloat(1/wp),h=parseFloat(1/hp); tw=wp; th=hp;
				if(self.ply) {wl=(self.obj[self.obj.length-1].w/self.obj[0].w); hl=(self.obj[self.obj.length-1].h/self.obj[0].h);	if(wp<=2) {xo=0.5-((1-wl)/1.5);}else {xo=0.5-(0.5*(1-wl)/(wp*.5));}	if(hp<=2) {yo=0.5-((1-hl)/1.5);}else {yo=0.5-(0.5*(1-hl)/(hp*.5));}}
				for(i=0; i<hp; i++) {
					for(j=0; j<wp; j++) {t=self.obj[k].t;
						if(self.ply) {tw=parseFloat(self.iw/self.obj[k].w); th=parseFloat(self.ih/self.obj[k].h);
							if(self.obj[k].s==3) {x=.5; y=.5;}else {x=self.obj[k].s==0||self.obj[k].s==2?xo:.5; y=self.obj[k].s==0||self.obj[k].s==1?yo:.5;}
						}p="m "+parseInt(t[0][0]*100)+","+parseInt(t[0][1]*100);	for(l=1; l<t.length; l++) {p+=" l "+parseInt(t[l][0]*100)+","+parseInt(t[l][1]*100);} p+=" x e";
						parts+='<v:shape id="'+self.id+'|obj_'+k+'" oncontextmenu="return false" unselectable="on" filled="t" stroked="t" strokeweight="1" strokecolor="'+self.bcl+'" coordorigin="0,0" coordsize="'+parseInt(self.obj[k].w*100)+','+parseInt(self.obj[k].h*100)+'" path="'+p+'" style="cursor:hand;zoom:1;margin:0px;padding:0px;display:block;position:absolute;top:'+self.obj[k].y+'px;left:'+self.obj[k].x+'px;width:'+self.obj[k].w+'px;height:'+self.obj[k].h+'px; filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=0);"><v:fill color="'+self.bcl+'" opacity="1" src="'+self.img+'" type="frame" aspect="atleast" size="'+tw+','+th+'" origin="'+((j+x-(wp*x))*w)+','+((i+y-(hp*y))*h)+'" position="0,0" /></v:shape>'; k++;
					}
				}self.innerHTML=head+back+fill+parts+foot;
				for(i=0; i<self.obj.length; i++) {ele=document.getElementById(self.id+'|obj_'+i); ele.ondblclick=snapfit._ieDblclicked; ele.onmousedown=snapfit._iePressed;}
			}if(window.opera) {for(i=0; i<self.obj.length; i++) {self.obj[i].ow=self.obj[i].ow-0.001; self.obj[i].oh=self.obj[i].oh-0.001;}} if(!option) {snapfit._paint(self);} self.style.cursor='auto'; self.progress=false; return true;
		}else {return false;}
	},
		
	admix : function(self,simple,option) {simple=simple||false;
		if(!self.progress&&(self.getContext||self.tagName.toUpperCase()=="VAR")) {function R(v) {return Math.floor(Math.random()*v);} var ele,i,j,l,r,a=90; self.progress=true;  
			if(self.vml) {self.style.cursor='wait';
				for(i=0; i<self.obj.length; i++) {ele=document.getElementById(self.id+'|obj_'+i);
					if(!simple) {l=R(4); self.obj[i].a=l*90; self.obj[i].f=R(2); ele.style.filter="progid:DXImageTransform.Microsoft.BasicImage(rotation="+parseInt(self.obj[i].a/90)+", mirror="+self.obj[i].f+")"; ele.firstChild.color=self.bcl; ele.firstChild.opacity=self.obj[i].f?self.bo:1;}
					self.obj[i].x=R(self.width-self.obj[i].w); self.obj[i].y=R(self.height-self.obj[i].h); ele.style.left=self.obj[i].x+'px'; ele.style.top=self.obj[i].y+'px'; 
				}
			}else {self.style.cursor='progress';
				for(i=0; i<self.obj.length; i++) {self.obj[i].x=R(self.width-self.obj[i].w); self.obj[i].y=R(self.height-self.obj[i].h); l=R(4); 
					if(!simple) {
						for(j=0; j<l; j++) {r=self.obj[i].a; self.obj[i]=snapfit._rotate(self.obj[i],self.width,self.height,a,self.ply,self.lsd,self.nhc); self.obj[i].a=r<(360-a)?self.obj[i].a+a:0;}
						if(R(2)) {self.obj[i].t=snapfit._flipY(self.obj[i].t,self.obj[i].x,self.obj[i].w); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(self.obj[i].a==90||self.obj[i].a==270) {self.obj[i].m=self.obj[i].m?0:1;}else {self.obj[i].f=self.obj[i].f?0:1;}}
						if(R(2)) {self.obj[i].t=snapfit._flipX(self.obj[i].t,self.obj[i].y,self.obj[i].h); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(self.obj[i].a==90||self.obj[i].a==270) {self.obj[i].f=self.obj[i].f?0:1;}else {self.obj[i].m=self.obj[i].m?0:1;}}
					}
				}if(!option) {snapfit._paint(self);}
			}self.style.cursor='auto'; self.progress=false; return true;
		}else {return false;}
	},
	
	solve : function(self,option) {
		if(!self.progress&&(self.getContext||self.tagName.toUpperCase()=="VAR")) {var i,j,l,p,r,n=1,odd=0,m=4,a=90;
			for(i=0; i<self.obj.length; i++) {p=self.obj[i]; if((p.f&&p.m&&p.a==180)||(!p.f&&!p.m&&p.a==0)) {if(p.x!=(p.ox+self.xo)||p.x!=(p.ox+self.xo)||p.y!=(p.oy+self.yo)||p.y!=(p.oy+self.yo)) {n=0; break;}}else {n=0; break;}}
			if(!n) {
				if(self.vml) {
					for(i=0; i<self.obj.length; i++) {odd=document.getElementById(self.id+'|obj_'+i);
						self.obj[i].f=0; self.obj[i].a=0; self.obj[i].w=self.obj[i].ow; self.obj[i].h=self.obj[i].oh;
						odd.firstChild.opacity=1; odd.style.filter="progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=0)";  
					}if(!option) {
						if(self.timer) {window.clearInterval(self.timer);} self.progress=true; self.style.cursor='wait'; var q=0,c=0,t=20,k=1/t,sx=[],sy=[],ex=[],ey=[]; 
						for(i=0; i<self.obj.length; i++) {sx[i]=self.obj[i].x; sy[i]=self.obj[i].y; ex[i]=self.obj[i].ox+self.xo; ey[i]=self.obj[i].oy+self.yo;}
						self.timer=window.setInterval(function() {q=((-Math.cos((k*c)*Math.PI)/2)+0.5)||0;
							for(i=0; i<self.obj.length; i++) {odd=document.getElementById(self.id+'|obj_'+i); odd.style.left=Math.ceil(sx[i]+(q*(ex[i]-sx[i])))+'px'; odd.style.top=Math.ceil(sy[i]+(q*(ey[i]-sy[i])))+'px';} c++; 
							if(c>t) {window.clearInterval(self.timer); for(i=0; i<self.obj.length; i++) {self.obj[i].x=self.obj[i].ox+self.xo; self.obj[i].y=self.obj[i].oy+self.yo; odd=document.getElementById(self.id+'|obj_'+i); odd.style.left=self.obj[i].x+'px'; odd.style.top=self.obj[i].y+'px';} self.style.cursor='auto'; self.progress=false;} 
						},30);
					}
				}else {
					for(i=0; i<self.obj.length; i++) {odd=self.obj[i].a==90||self.obj[i].a==270?1:0;
						if((self.obj[i].m&&odd)||self.obj[i].f) {self.obj[i].t=snapfit._flipY(self.obj[i].t,self.obj[i].x,self.obj[i].w); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(odd) {self.obj[i].m=self.obj[i].m?0:1;}else {self.obj[i].f=self.obj[i].f?0:1;}}
						if((self.obj[i].f&&odd)||self.obj[i].m) {self.obj[i].t=snapfit._flipX(self.obj[i].t,self.obj[i].y,self.obj[i].h); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(odd) {self.obj[i].f=self.obj[i].f?0:1;}else {self.obj[i].m=self.obj[i].m?0:1;}}
						if((self.obj[i].m&&odd)||self.obj[i].f) {self.obj[i].t=snapfit._flipY(self.obj[i].t,self.obj[i].x,self.obj[i].w); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(odd) {self.obj[i].m=self.obj[i].m?0:1;}else {self.obj[i].f=self.obj[i].f?0:1;}}
						if((self.obj[i].f&&odd)||self.obj[i].m) {self.obj[i].t=snapfit._flipX(self.obj[i].t,self.obj[i].y,self.obj[i].h); if(self.ply) {self.obj[i].l=snapfit._shade(self.obj[i].t,self.lsd,self.nhc);} if(odd) {self.obj[i].f=self.obj[i].f?0:1;}else {self.obj[i].m=self.obj[i].m?0:1;}}
						n=self.obj[i].a/90; l=n>0?m-n:0;
						for(j=0; j<l; j++) {r=self.obj[i].a; self.obj[i]=snapfit._rotate(self.obj[i],self.width,self.height,a,self.ply,self.lsd,self.nhc); self.obj[i].a=r<(360-a)?self.obj[i].a+a:0;}
						if(option) {self.obj[i].x=self.obj[i].ox+self.xo; self.obj[i].y=self.obj[i].oy+self.yo;}
					}if(!option) {
						if(self.timer) {window.clearInterval(self.timer);} self.progress=true; self.style.cursor='progress'; var q=0,c=0,t=20,k=1/t,sx=[],sy=[],ex=[],ey=[]; 
						for(i=0; i<self.obj.length; i++) {sx[i]=self.obj[i].x; sy[i]=self.obj[i].y; ex[i]=self.obj[i].ox+self.xo; ey[i]=self.obj[i].oy+self.yo;}
						self.timer=window.setInterval(function() {q=((-Math.cos((k*c)*Math.PI)/2)+0.5)||0;
							for(i=0; i<self.obj.length; i++) {self.obj[i].x=Math.ceil(sx[i]+(q*(ex[i]-sx[i]))); self.obj[i].y=Math.ceil(sy[i]+(q*(ey[i]-sy[i])));} c++; snapfit._paint(self); 
							if(c>t) {window.clearInterval(self.timer); for(i=0; i<self.obj.length; i++) {self.obj[i].x=self.obj[i].ox+self.xo; self.obj[i].y=self.obj[i].oy+self.yo;} snapfit._paint(self); self.style.cursor='auto'; self.progress=false;} 
						},30);
					}
				}return true;
			}else {return false;}
		}else {return false;}
	},
	
	_paint : function(self) {
		if(!self.vml&&self.obj) {var p,c,k,i,j,xoff,yoff,angle,img=self.reso;
			self.ctx.clearRect(0,0,self.width,self.height); self.ctx.fillStyle="rgba("+self.dac+","+self.ao+")";
			if(self.ab) {self.ctx.lineWidth=1; self.ctx.strokeStyle="rgba(0,0,0,"+self.ao+")"; self.ctx.strokeRect(self.xo,self.yo,self.iw,self.ih);}
			if(self.ai) {self.ctx.globalAlpha=self.ao; self.ctx.drawImage(img,self.xo,self.yo,self.iw,self.ih); self.ctx.globalAlpha=1.0;}else {self.ctx.fillRect(self.xo,self.yo,self.iw,self.ih);} self.ctx.save(); 
			for(i=0; i<self.obj.length; i++) {p=self.obj[i]; self.ctx.save(); if(i==self.cur) {self.ctx.shadowColor="rgba(0,0,0,"+self.so+")";} self.ctx.fillStyle="rgba("+self.dac+",1)"||"rgba(255,255,255,1)"; 
				self.ctx.beginPath(); self.ctx.moveTo(p.x+p.t[0][0],p.y+p.t[0][1]); for(j=1; j<p.t.length; j++) {self.ctx.lineTo(p.x+p.t[j][0],p.y+p.t[j][1]);}
				self.ctx.closePath(); self.ctx.fill(); if(i==self.cur) {self.ctx.shadowColor="rgba(0,0,0,0)";} 
				if(self.wk4) {self.ctx.beginPath(); self.ctx.moveTo(p.x+p.t[0][0],p.y+p.t[0][1]); 
					for(j=1; j<p.t.length; j++) {self.ctx.lineTo(p.x+p.t[j][0],p.y+p.t[j][1]);} self.ctx.closePath();
				}self.ctx.clip(); if(self.ge8) {self.ctx.fillStyle="rgba(0,0,0,0)"; self.ctx.fillRect(p.x,p.y,p.w,p.h);}
				if(p.a!=0||p.f||p.m) {self.ctx.save(); xoff=p.x; yoff=p.y; angle=(p.a+(p.a>=0?0:360))*Math.PI/180;
					self.ctx.translate(xoff,yoff); self.ctx.rotate(angle); self.ctx.scale((!p.f?1:-1),(!p.m?1:-1)); self.ctx.translate(-xoff,-yoff);
					if(p.a==90) {self.ctx.drawImage(img,p.ox,p.oy,p.ow,p.oh,p.x-(p.f*p.ow),p.y-p.oh+(p.m*p.oh),p.ow,p.oh);
					}else if(p.a==180) {self.ctx.drawImage(img,p.ox,p.oy,p.ow,p.oh,p.x-p.ow+(p.f*p.ow),p.y-p.oh+(p.m*p.oh),p.ow,p.oh);
					}else if(p.a==270) {self.ctx.drawImage(img,p.ox,p.oy,p.ow,p.oh,p.x-p.ow+(p.f*p.ow),p.y-(p.m*p.oh),p.ow,p.oh);
					}else {self.ctx.drawImage(img,p.ox,p.oy,p.ow,p.oh,p.x-(p.f*p.ow),p.y-(p.m*p.oh),p.ow,p.oh);
					}self.ctx.restore();
				}else {self.ctx.drawImage(img,p.ox,p.oy,p.ow,p.oh,p.x,p.y,p.w,p.h);} self.ctx.lineWidth=self.bw*2; if(!self.progress&&i==self.cur) {
					if((!p.f&&p.m)||(p.f&&!p.m)) {self.ctx.fillStyle="rgba("+self.dbc+","+self.bo+")"; self.ctx.fillRect(p.x,p.y,p.w,p.h);}
					if((p.f&&p.m&&p.a==180)||(!p.f&&!p.m&&p.a==0)) {
						if(p.x<=(p.ox+self.xo+self.sv)&&p.x>=(p.ox+self.xo-self.sv)&&p.y<=(p.oy+self.yo+self.sv)&&p.y>=(p.oy+self.yo-self.sv)) {self.ctx.strokeStyle="rgba("+self.dmc+",1)";}else {self.ctx.strokeStyle="rgba("+self.dfc+",1)";}
					}else {self.ctx.strokeStyle="rgba("+self.dfc+",1)";}
					if(self.ply) {if(self.wk4||self.ge8) {self.ctx.beginPath(); self.ctx.moveTo(p.x+p.t[0][0],p.y+p.t[0][1]); for(j=1; j<p.t.length; j++) {self.ctx.lineTo(p.x+p.t[j][0],p.y+p.t[j][1]);} self.ctx.closePath();} self.ctx.stroke();}else {self.ctx.strokeRect(p.x,p.y,p.w,p.h);}
				}else {
					if(self.ply) {
						if((!p.f&&p.m)||(p.f&&!p.m)) {self.ctx.fillStyle="rgba("+self.dbc+","+self.bo+")"; self.ctx.fillRect(p.x,p.y,p.w,p.h); self.ctx.strokeStyle="rgba("+self.dbc+",1)"; 
							if(self.wk4||self.ge8) {self.ctx.beginPath(); self.ctx.moveTo(p.x+p.t[0][0],p.y+p.t[0][1]); for(j=1; j<p.t.length; j++) {self.ctx.lineTo(p.x+p.t[j][0],p.y+p.t[j][1]);} self.ctx.closePath();} self.ctx.stroke();}
						else {for(j=0; j<p.t.length; j++) {c=p.l[j]; k=j<p.t.length-1?j+1:0; self.ctx.strokeStyle="rgba("+c+","+c+","+c+","+self.bo+")"; self.ctx.beginPath(); self.ctx.moveTo(p.x+p.t[j][0],p.y+p.t[j][1]); self.ctx.lineTo(p.x+p.t[k][0],p.y+p.t[k][1]); self.ctx.stroke();}}
					}else {
						if((!p.f&&p.m)||(p.f&&!p.m)) {self.ctx.fillStyle="rgba("+self.dbc+","+self.bo+")"; self.ctx.fillRect(p.x,p.y,p.w,p.h); self.ctx.strokeStyle="rgba("+self.dbc+",1)"; self.ctx.strokeRect(p.x,p.y,p.w,p.h);}
						else {self.ctx.strokeStyle="rgba(0,0,0,"+self.bo+")"; self.ctx.strokeRect(p.x-self.bw,p.y-self.bw,p.w+self.bw,p.h+self.bw); self.ctx.strokeStyle="rgba(255,255,255,"+self.bo+")"; self.ctx.strokeRect(p.x,p.y,p.w+self.bw,p.h+self.bw);}
					}
				}self.ctx.restore();
			}self.ctx.restore();
		}return false;
	},
	
	_isPressed : function(e) {if(this.progress) {return false;}
		function last(a,i) {var t=a[i]; a.splice(i,1); a.push(t); return a;};
		if(this.obj) {this.evtX=e.pageX-this.offsetX; this.evtY=e.pageY-this.offsetY; this.cur=snapfit._isContained(this);
			if(this.cur>-1) {var p=this.obj[this.cur];
				if(this.cur!=this.obj.length-1) {this.obj=last(this.obj,this.cur); this.cur=this.obj.length-1;} 
				if(e.which==2) {this.obj[this.cur].t=snapfit._flipY(p.t,p.x,p.w); if(this.ply) {this.obj[this.cur].l=snapfit._shade(this.obj[this.cur].t,this.lsd,this.nhc);} if(p.a==90||p.a==270) {this.obj[this.cur].m=p.m?0:1;}else {this.obj[this.cur].f=p.f?0:1;} snapfit._isCatched(this,this.cur); this.cur=-1;}
				else if(e.which==3) {this.obj[this.cur].t=snapfit._flipX(p.t,p.y,p.h); if(this.ply) {this.obj[this.cur].l=snapfit._shade(this.obj[this.cur].t,this.lsd,this.nhc);} if(p.a==90||p.a==270) {this.obj[this.cur].f=p.f?0:1;}else {this.obj[this.cur].m=p.m?0:1;} snapfit._isCatched(this,this.cur); this.cur=-1;}
				else {this.dragging=true; this.style.cursor='move'; this.deltaX=this.evtX-this.obj[this.cur].x; this.deltaY=this.evtY-this.obj[this.cur].y;}
				snapfit._paint(this);
			}
		}return false;
	},
	
	_isDragged : function(e) {if(!this.dragging||this.progress) {return false;}
		this.evtX=e.pageX-this.offsetX; this.evtY=e.pageY-this.offsetY;
		this.obj[this.cur].x=Math.min(this.width-this.obj[this.cur].w,Math.max(0,this.evtX-this.deltaX));
		this.obj[this.cur].y=Math.min(this.height-this.obj[this.cur].h,Math.max(0,this.evtY-this.deltaY));
		snapfit._paint(this); return false;
	},		

	_isReleased : function(e) {if(!this.dragging||this.progress) {return false;}
		this.dragging=false; snapfit._isCatched(this,this.cur); this.style.cursor='auto'; this.cur=-1; snapfit._paint(this); return false;
	},
		
	_isDblclicked : function(e) {var shift=e.shiftKey,alt=e.altKey; this.dragging=false; this.style.cursor='auto'; this.cur=-1;
		if(this.obj) {this.cur=snapfit._isContained(this);
			if(this.cur>-1) {var r=90,p=this.obj[this.cur]; 
				if(!shift&&!alt) {this.obj[this.cur]=snapfit._rotate(p,this.width,this.height,r,this.ply,this.lsd,this.nhc); this.obj[this.cur].a=p.a<(360-r)?p.a+r:0; snapfit._isCatched(this,this.cur); this.cur=-1;}
				else if(shift&&!alt) {this.obj[this.cur].t=snapfit._flipY(p.t,p.x,p.w); if(this.ply) {this.obj[this.cur].l=snapfit._shade(this.obj[this.cur].t,this.lsd,this.nhc);} if(p.a==90||p.a==270) {this.obj[this.cur].m=p.m?0:1;}else {this.obj[this.cur].f=p.f?0:1;} snapfit._isCatched(this,this.cur); this.cur=-1;}
				else if(!shift&&alt) {this.obj[this.cur].t=snapfit._flipX(p.t,p.y,p.h); if(this.ply) {this.obj[this.cur].l=snapfit._shade(this.obj[this.cur].t,this.lsd,this.nhc);} if(p.a==90||p.a==270) {this.obj[this.cur].f=p.f?0:1;}else {this.obj[this.cur].m=p.m?0:1;} snapfit._isCatched(this,this.cur); this.cur=-1;}
				snapfit._paint(this);
			}
		}return false;
	},
	
	_iePressed : function(e) {
		e=e?e:window.event; var ele,fil,f,r,d,tmp=e.srcElement,c=tmp.id.split("_"),i=parseInt(c[c.length-1]),obj=tmp.parentNode,par=tmp.parentNode.parentNode;
		if(!par.progress) {
			if(e.button==2) {
				par.dragging=false; par.obj[i].f=par.obj[i].f?0:1; tmp.firstChild.color=par.bcl; tmp.firstChild.opacity=par.obj[i].f?par.bo:1; 
				tmp.style.filter="progid:DXImageTransform.Microsoft.BasicImage(rotation="+parseInt(par.obj[i].a/90)+", mirror="+par.obj[i].f+")";
				snapfit._isCatched(par,i); tmp.style.left=par.obj[i].x+'px'; tmp.style.top=par.obj[i].y+'px'; 
			}else {
				r=parseInt(par.obj[i].a); if(r==0||r==180) {d=r+135;}else {d=r-45;}d=par.obj[i].f?d+90:d;
				tmp.style.filter="progid:DXImageTransform.Microsoft.Shadow(Color="+par.hxs+", direction="+d+"), progid:DXImageTransform.Microsoft.BasicImage(rotation="+parseInt(par.obj[i].a/90)+", mirror="+par.obj[i].f+")";
				ele=document.createElement('v:shape'); ele.id=tmp.id; ele.unselectable="on"; ele.oncontextmenu=function() {return false;};
				ele.filled=tmp.filled; ele.stroked=tmp.stroked; ele.strokeweight=tmp.strokeweight; ele.strokecolor=tmp.strokecolor; ele.coordorigin=tmp.coordorigin;
				ele.coordsize=tmp.coordsize; ele.path=tmp.path; ele.style.cssText=tmp.style.cssText; fil=document.createElement('v:fill'); fil=tmp.firstChild;
				obj.removeChild(tmp); obj.appendChild(ele); ele.appendChild(fil); ele.style.cursor="move"; ele.firstChild.color=par.bcl; ele.mouseX=e.clientX; ele.mouseY=e.clientY;
				ele.ondblclick=snapfit._ieDblclicked; ele.onmousedown=snapfit._iePressed; ele.onmouseleave=snapfit._ieReleased; ele.strokecolor=snapfit._isCatched(par,i)?par.mcl:par.fcl;
				document.attachEvent("onmousemove",snapfit._ieDragged); document.attachEvent("onmouseup",snapfit._ieReleased); cvi_stpiece=ele.id; par.dragging=true;
			}
		}return false;
	},
	
	_ieDragged : function(e) {
		e=e?e:window.event; var l,t,ele=e.srcElement,c=ele.id.split("_"),i=parseInt(c[c.length-1]),par=ele.parentNode.parentNode;
		if(!par.progress&&par.dragging) {if(cvi_stpiece==ele.id) {
			l=Math.max(0,Math.min(par.width-parseInt(par.obj[i].w),parseInt(ele.style.left)+(e.clientX-ele.mouseX)));
			t=Math.max(0,Math.min(par.height-parseInt(par.obj[i].h),parseInt(ele.style.top)+(e.clientY-ele.mouseY)));
			par.obj[i].x=l; par.obj[i].y=t; ele.firstChild.color=par.bcl; ele.style.left=l+'px'; ele.style.top=t+'px'; 
			ele.mouseX=e.clientX; ele.mouseY=e.clientY; ele.strokecolor=snapfit._isCatched(par,i)?par.mcl:par.fcl;}else {snapfit._ieReleased(e);}
		}return false;
	},
	
	_ieReleased : function(e) {
		e=e?e:window.event; var f,ele=document.getElementById(cvi_stpiece),c=ele.id.split("_"),i=parseInt(c[c.length-1]),par=ele.parentNode.parentNode;
		if(ele&&!par.progress&&par.dragging) {cvi_stpiece=null;
			ele.style.filter="progid:DXImageTransform.Microsoft.BasicImage(rotation="+parseInt(par.obj[i].a/90)+", mirror="+par.obj[i].f+")";
			snapfit._isCatched(par,i); ele.style.cursor="hand"; ele.onmouseleave=null; ele.strokecolor=par.bcl; ele.style.left=par.obj[i].x+'px'; ele.style.top=par.obj[i].y+'px'; 
			document.detachEvent("onmousemove",snapfit._ieDragged); document.detachEvent("onmouseup",snapfit._ieReleased); par.dragging=false; 
		}return false;
	},
	
	_ieDblclicked : function(e) {
		e=e?e:window.event; var f,ele=e.srcElement,c=ele.id.split("_"),i=parseInt(c[c.length-1]),par=ele.parentNode.parentNode,shift=e.shiftKey,alt=e.altKey,r=90;
		if(!par.progress) {par.dragging=false; ele.style.cursor='auto'; 
			if(!shift&&!alt) {par.obj[i].a=par.obj[i].a<(360-r)?par.obj[i].a+r:0; c=par.obj[i].w; par.obj[i].w=par.obj[i].h; par.obj[i].h=c;}
			else {par.obj[i].f=par.obj[i].f?0:1; ele.firstChild.color=par.bcl; ele.firstChild.opacity=par.obj[i].f?par.bo:1;}
			ele.style.filter="progid:DXImageTransform.Microsoft.BasicImage(rotation="+parseInt(par.obj[i].a/90)+", mirror="+par.obj[i].f+")";
			snapfit._isCatched(par,i); ele.style.left=par.obj[i].x+'px'; ele.style.top=par.obj[i].y+'px';
		}return false;
	},
	
	_isKeydown : function(e) {
		if(cvi_stactive!=null) {var k,del=46,esc=27,ent=13,bsp=8,self=document.getElementById(cvi_stactive);
			if(self.dragging||self.progress) {return false;} k=(e.keyCode?e.keyCode:e.which);
			switch(k) {case esc : snapfit.reset(self); break; case ent : snapfit.solve(self); break; case bsp : snapfit.admix(self,true); break; case del : snapfit.admix(self,false); break;} 
		}return false;
	},
	
	_isKeypressed : function(e) {return false;},
	_isKeyup : function(e) {return false;},
	_catchOver : function(e) {cvi_stactive=this.id; this.focus(); document.addEventListener('keyup',snapfit._isKeyup,false); document.addEventListener('keypress',snapfit._isKeypressed,false); document.addEventListener('keydown',snapfit._isKeydown,false); return false;},
	_catchOut : function(e) {cvi_stactive=null; document.removeEventListener('keyup',snapfit._isKeyup,false); document.removeEventListener('keypress',snapfit._isKeypressed,false); document.removeEventListener('keydown',snapfit._isKeydown,false); return false;},
	_catchEnter : function(e) {cvi_stactive=this.id; this.focus(); document.attachEvent("onkeyup",snapfit._isKeyup); document.attachEvent("onkeypress",snapfit._isKeypressed); document.attachEvent("onkeydown",snapfit._isKeydown); return false;},
	_catchLeave : function(e) {cvi_stactive=null; document.detachEvent("onkeyup",snapfit._isKeyup); document.detachEvent("onkeypress",snapfit._isKeypressed); document.detachEvent("onkeydown",snapfit._isKeydown); return false;},
	
	_isContained : function(self) {var i,j,k,c,p,l,t,x=self.evtX,y=self.evtY;
		for(i=self.obj.length-1; i>-1; i--) {j=0; k=0; c=0; p=self.obj[i].t; l=self.obj[i].x; t=self.obj[i].y; 
			for(k in p) {j++; if(j==p.length) {j=0;} 
				if((((t+p[k][1])<y)&&((t+p[j][1])>=y))||(((t+p[j][1])<y)&&((t+p[k][1])>=y))) { 
					if((l+p[k][0])+(y-(t+p[k][1]))/((t+p[j][1])-(t+p[k][1]))*((l+p[j][0])-(l+p[k][0]))<x) {c=!c;} 
				} 
			} if(c) {return i;}
		} return -1;
	},
	
	_isCatched : function(self,cur) {var p=self.obj[cur];
		if((p.f&&p.m&&p.a==180)||(!p.f&&!p.m&&p.a==0)) {
			if(p.x<=(p.ox+self.xo+self.sv)&&p.x>=(p.ox+self.xo-self.sv)&&p.y<=(p.oy+self.yo+self.sv)&&p.y>=(p.oy+self.yo-self.sv)) {
				self.obj[cur].x=p.ox+self.xo; self.obj[cur].y=p.oy+self.yo; return true;
			}
		}return false;
	},
	
	_rotate : function(p,w,h,r,z,d,k) {function sdx(v,z) {return v[0]-z[0];}; function sdy(v,z) {return v[1]-z[1];}; 
		var j,x,y,px,py,mx=0,my=0,mw=1,mh=1,a=[],b=[],xo=p.x+(.5*p.w),yo=p.y+(.5*p.h),g=r*(Math.PI/180),cs=Math.cos(g),sn=Math.sin(g);
		for(j=0; j<p.t.length; j++) {px=p.x+p.t[j][0]; py=p.y+p.t[j][1]; x=(px-xo)*cs-(py-yo)*sn+xo; y=(py-yo)*cs+(px-xo)*sn+yo; a[j]=[x,y];}
		b=a.slice(); b.sort(sdx); mx=b[0][0]; mw=b[b.length-1][0]; b.sort(sdy); my=b[0][1]; mh=b[b.length-1][1];
		p.w=mw-mx; p.h=mh-my; p.x=mx; p.y=my; for(j=0; j<a.length; j++) {a[j][0]=a[j][0]-p.x; a[j][1]=a[j][1]-p.y;}
		p.x=Math.max(Math.min(w-p.w,p.x),0); p.y=Math.max(Math.min(h-p.h,p.y),0); p.t=a; if(z) {p.l=snapfit._shade(a,d,k);} return p;
	},
	
	_flipY : function(t,tx,tw) {var j,x,px,xo=tx+(.5*tw),a=[];
		for(j=0; j<t.length; j++) {px=tx+t[j][0]; if(px<xo) {x=xo+(xo-px); a[j]=[Math.max(x-tx,0),t[j][1]];}else if(px>xo) {x=xo-(px-xo); a[j]=[Math.max(x-tx,0),t[j][1]];}else {a[j]=[t[j][0],t[j][1]];}}return a;
	},
	
	_flipX : function(t,ty,th) {var j,y,py,yo=ty+(.5*th),a=[];
		for(j=0; j<t.length; j++) {py=ty+t[j][1]; if(py<yo) {y=yo+(yo-py); a[j]=[t[j][0],Math.max(y-ty,0)];}else if(py>yo) {y=yo-(py-yo); a[j]=[t[j][0],Math.max(y-ty,0)];}else {a[j]=[t[j][0],t[j][1]];}}return a;
	},
	
	_shade : function(t,d,k) {k=k||0; var i,ag,ad,at,av,dx,sx,ex,dy,sy,ey,ls=(d-180)*(Math.PI/180),z=[];
		function fabs(n) {if(n>=0) {return n;}else {return 0-n;}}; function theta(x,y) {var a=Math.atan2(y,x); if(a<0.0) {a=2*Math.PI+a;} return a;};
		for(i=0; i<t.length; i++) {sx=t[i][0]; sy=t[i][1]; if(i<t.length-1) {ex=t[i+1][0]; ey=t[i+1][1];}else {ex=t[0][0]; ey=t[0][1];} 
			dy=(ey-sy); dx=(sx-ex); ag=2*Math.PI-theta(dx,dy); ad=fabs(ls-ag); at=0.5*(Math.cos(ad)+1.0); av=parseInt(at*0+(1.0-at)*255); z[i]=!k?av>127?255:0:av;
		} return z;
	},
	
	_xoff : function(n) {var r=n.offsetLeft; for(var p=n; p=p.offsetParent; p!=null) {r+=p.offsetLeft;} return r;},
	_yoff : function(n) {var r=n.offsetTop; for(var p=n; p=p.offsetParent; p!=null) {r+=p.offsetTop;} return r;},
	_swap : function(a,i) {t=a[i]; a[i]=a[a.length-1]; a[a.length-1]=t; return a;}
}