var cvi_sphere = { version : 1.11, released : '2009-03-18 16:04:00',
	defaultSize : 0, defaultColor : 0, defaultColor2 : 0, defaultAlpha : 100, 
	defaultShine : 100, defaultShade : 100, defaultZoom : 100, defaultShift : 50,
	add: function(image, options) {
		if(image.tagName.toUpperCase() == "IMG") {
			var defopts={"size":cvi_sphere.defaultSize, "color":cvi_sphere.defaultColor, "color2":cvi_sphere.defaultColor2, "alpha":cvi_sphere.defaultAlpha, "shade":cvi_sphere.defaultShade, "shine":cvi_sphere.defaultShine, "zoom":cvi_sphere.defaultZoom, "shift":cvi_sphere.defaultShift, "show":false };
			if(options) {for(var i in defopts) {if(!options[i]) {options[i]=defopts[i];}}}else {options=defopts;}
			if(image.naturalWidth&&image.naturalHeight) {var nw=image.naturalWidth; var nh=image.naturalHeight;}
			else {var tmp=new Image(); tmp.src=image.src; var nw=tmp.width; var nh=tmp.height; delete tmp;}			
			var size=(typeof options['size']=='number'?options['size']:cvi_sphere.defaultSize); 
			if(size<=0) {size=Math.max(32,(nw>nh?image.height:nh>nw?image.width:image.height));} if(size<32) {size=32;}
			try {
				var object=image.parentNode; 
				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 display=(image.currentStyle.display.toLowerCase()=='block')?'block':'inline-block';        
					var canvas=document.createElement(['<var style="zoom:1;overflow:hidden;display:'+display+';width:'+size+'px;height:'+size+'px;padding:0;">'].join(''));
					var flt=image.currentStyle.styleFloat.toLowerCase();
					canvas.dpl=(flt=='left'||flt=='right')?'inline':display;
				}else {
					var canvas=document.createElement('canvas');
					canvas.isWK=navigator.appVersion.indexOf('WebKit')!=-1?1:0;
				}
				if(canvas||canvas.getContext("2d")) {
					canvas.options=options;
					canvas.id=image.id;
					canvas.alt=image.alt;
					canvas.title=image.title;
					canvas.source=image.src;
					canvas.className=image.className;
					canvas.style.cssText=image.style.cssText;
					canvas.style.height=size+'px';
					canvas.style.width=size+'px';
					canvas.height=size;
					canvas.width=size;
					canvas.naturalWidth=nw; 
					canvas.naturalHeight=nh;
					canvas.onclick=image.onclick;
					canvas.ondblclick=image.ondblclick;
					object.replaceChild(canvas,image);
					cvi_sphere.modify(canvas, options);
				}
				
			} catch (e) {
			}
		}
	},
	
	modify: function(canvas,options) {
		function drawEllipse(ctx,x1,y1,x2,y2) {
			var kp=4*((Math.sqrt(2)-1)/3),rx=(x2-x1)/2,ry=(y2-y1)/2,cx=x1+rx,cy=y1+ry; ctx.beginPath(); ctx.moveTo(cx,cy-ry);
			ctx.bezierCurveTo(cx+(kp*rx),cy-ry,cx+rx,cy-(kp*ry),cx+rx,cy); ctx.bezierCurveTo(cx+rx,cy+(kp*ry),cx+(kp*rx),cy+ry,cx,cy+ry);
			ctx.bezierCurveTo(cx-(kp*rx),cy+ry,cx-rx,cy+(kp*ry),cx-rx,cy); ctx.bezierCurveTo(cx-rx,cy-(kp*ry),cx-(kp*rx),cy-ry,cx,cy-ry);
			ctx.closePath(); return false;
		};
		function hex2rgb(val,f,isIE) {
			function h2d(v){return(Math.max(0,Math.min(parseInt(v,16),255)));}
			function d2h(v) {v=Math.round(Math.min(Math.max(0,v),255)); return("0123456789ABCDEF".charAt((v-v%16)/16)+"0123456789ABCDEF".charAt(v%16));}
			var cr=h2d(val.substr(1,2)),cg=h2d(val.substr(3,2)),cb=h2d(val.substr(5,2));
			if(isIE) {return '#'+d2h(cr*f)+''+d2h(cg*f)+''+d2h(cb*f);}
			else {return Math.floor(cr*f)+','+Math.floor(cg*f)+','+Math.floor(cb*f);}
		};
		try {					
			var alpha=(typeof options['alpha']=='number'?options['alpha']:canvas.options['alpha']); canvas.options['alpha']=alpha;
			var shade=(typeof options['shade']=='number'?options['shade']:canvas.options['shade']); canvas.options['shade']=shade;
			var shine=(typeof options['shine']=='number'?options['shine']:canvas.options['shine']); canvas.options['shine']=shine;
			var zoom=(typeof  options['zoom']=='number'?options['zoom']:canvas.options['zoom']); canvas.options['zoom']=zoom;
			var shift=(typeof options['shift']=='number'?options['shift']:canvas.options['shift']); canvas.options['shift']=shift;
			var color=(typeof options['color']=='string'?options['color']:canvas.options['color']); canvas.options['color']=color;
			var color2=(typeof options['color2']=='string'?options['color2']:canvas.options['color2']); canvas.options['color2']=color2;
			var c1=0; if(isNaN(color)) c1=(color.match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?color:0);
			var c2=0; if(isNaN(color2)) c2=(color2.match(/^#[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]$/i)?color2:0);
			var sz=canvas.width, nw=canvas.naturalWidth, nh=canvas.naturalHeight, nx=0, ny=0, xx=0, yy=0, xo=0.5, yo=0.5;
			var sf=(shift<=0.01?0:shift>=100?1:shift/100), zz=(zoom<100?1:zoom>200?2:zoom/100), zo=(zz-1)*.5, lw=0.4, st=''; 
			if(nw>nh) {nx=(nw-nh)*sf; xo=1-(sz/nw); xx=(xo*-0.5)+(sf*xo); xo=sf; nw=nh;}else if(nh>nw) {ny=(nh-nw)*sf; yo=1-(sz/nh); yy=(yo*-0.5)+(sf*yo); yo=sf; nh=nw;} 
			var fc=0.85, iw=Math.round(sz*fc), ih=iw, ic=ih/2, os=(sz-iw)/2, op=(alpha==0?0.0:alpha/100);
			var sh=(shade==0?0.0:shade/100), sd=(shine==0?0.0:shine/100), gc=hex2rgb(isNaN(c2)?c2:(isNaN(c1)?c1:'#000000'),1-op);
			if(document.all&&document.namespaces&&!window.opera) {
				var head, foot, shadow, border, shades, shines, frame, fill=''; gc=hex2rgb(isNaN(c2)?c2:(isNaN(c1)?c1:'#000000'),0.3,true);
				if(canvas.tagName.toUpperCase()=="VAR") {
					head='<v:group style="zoom:1;display:'+canvas.dpl+';margin:0;padding:0;position:relative;width:'+sz+'px;height:'+sz+'px;" coordsize="'+sz+','+sz+'"><v:rect strokeweight="0" filled="f" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:0px;left:0px;width:'+sz+'px;height:'+sz+'px;"></v:rect>'; foot='</v:group>';
					if(isNaN(c1)) {fill='<v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:fill color2="'+c1+'" color="'+(isNaN(c2)?c2:c1)+'" type="gradient" method="sigma" angle="20" focus="0" focussize="0,0" focusposition="1,1" on="t" /></v:oval>';}
					shades='<v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:fill opacity="0" color="black" color2="black" o:opacity2="'+(sh*.5)+'" type="gradient" method="any" angle="0" focus="0" focussize="0.2,0.2" focusposition="0.4,0.4" on="t" /></v:oval><v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:fill opacity="'+(sh*.5)+'" color="black" color2="black" o:opacity2="0" type="gradientradial" method="linear" focus="0" focussize="0.75,0.75" focusposition="0.125,0.125" on="t" /></v:oval>';
					shines='<v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:fill opacity="0" color="white" color2="white" o:opacity2="'+(sd*.66)+'" type="gradientradial" method="sigma" focus="0" focussize="0,0" focusposition="0.8,0.8" on="t" /></v:oval><v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:'+(sz*.48)+'px;left:'+(sz*.51)+'px;width:'+(sz*.3125)+'px;height:'+(sz*.3125)+'px;"><v:fill opacity="0" color="white" color2="white" o:opacity2="'+sd+'" type="gradientradial" method="sigma" focus="0" focussize="0,0" focusposition="0.5,0.5" on="t" /></v:oval><v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:'+(sz*.04)+'px;left:'+(sz*.24)+'px;width:'+(sz*.52)+'px;height:'+(sz*.36)+'px;"><v:fill opacity="0" color="white" color2="white" o:opacity2="'+sd+'" type="gradient" method="any" angle="20" focus="0" focussize="0.2,0.2" focusposition="0.4,0.4" on="t" /></v:oval>';
					border='<v:oval filled="f" fillcolor="transparent" stroked="t" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:stroke weight="1" style="single" color="'+gc+'" opacity="'+Math.max(0.5,op)+'" /></v:oval>';
					shadow='<v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:'+(sz*.7)+'px;left:'+(sz*.1)+'px;width:'+(sz*.8)+'px;height:'+(sz*.3)+'px;"><v:fill opacity="'+sh+'" color="'+(isNaN(c2)?c2:isNaN(c1)?c1:'black')+'" color2="black" colors="'+(10-(op*10))+'% '+(isNaN(c2)?c2:isNaN(c1)?c1:'black')+'" o:opacity2="0" type="gradientradial" method="linear" focus="0" focussize="0,0" focusposition="0.5,0.5" on="t" /></v:oval>';
					frame='<v:oval filled="t" stroked="f" strokeweight="0" style="zoom:1;margin:0;padding:0;display:block;position:absolute;top:1px;left:'+os+'px;width:'+iw+'px;height:'+ih+'px;"><v:fill opacity="'+op+'" src="'+canvas.source+'" type="frame" aspect="atleast" size="'+zz+','+zz+'" origin="'+xx+','+yy+'" position="0,0" /></v:oval>';
					canvas.innerHTML = head+shadow+fill+frame+shades+shines+border+foot;
				}
			}else {
				if(canvas.tagName.toUpperCase()=="CANVAS"&&canvas.getContext("2d")) {
					var context=canvas.getContext("2d");
					var img=new Image();
					img.onload=function() {
						context.clearRect(0,0,sz,sz); context.save();
  						context.translate(0,sz*.64); context.scale(1,0.425);
						st=context.createRadialGradient(os+ic,ic,1,os+ic,ic,ic);
						st.addColorStop(0,'rgba(0,0,0,'+sh+')');
						st.addColorStop(.8,'rgba('+gc+','+(sh*.125)+')');
						st.addColorStop(1,'rgba('+gc+',0)'); context.fillStyle=st;
						if(canvas.isWK) {context.fill();}else {context.fillRect(0,0,sz,sz);}
						context.restore(); context.save();
						context.beginPath(); context.arc(os+ic,ic+lw,ic,0,(Math.PI/180)*360,true); context.closePath();
						context.clip(); context.clearRect(0,0,sz,sz);
						if(isNaN(c1)) {if(isNaN(c2)) {
							st=context.createLinearGradient(ic,0,ic+(3*os),ih);
							st.addColorStop(0,c1); st.addColorStop(1,c2); context.fillStyle=st; 
							if(canvas.isWK) {context.fill();}else {context.fillRect(os,0,iw,ih);}
							}else {context.fillStyle=c1; context.fillRect(os,0,iw,ih);}
						} 
						context.globalAlpha=op;
						context.drawImage(img,nx+(nw*(zo*xo)),ny+(nh*(zo*yo)),nw*(1-zo),nh*(1-zo),os,0,iw,ih);
						context.globalAlpha=1.0;
						st=context.createLinearGradient(ic,0,ic+(3*os),ih);
						st.addColorStop(0,'rgba(0,0,0,'+(sh*.5)+')');
						st.addColorStop(1,'rgba(0,0,0,0)'); context.fillStyle=st;
						if(canvas.isWK) {context.fill();}else {context.fillRect(0,0,sz,sz);}
						st=context.createRadialGradient(os+ic,ic,ic-(1.5*os),os+ic,ic,ic);
						st.addColorStop(0,'rgba(0,0,0,0)');
						st.addColorStop(1,'rgba(0,0,0,'+(sh*.5)+')'); context.fillStyle=st;
						if(canvas.isWK) {context.fill();}else {context.fillRect(0,0,sz,sz);}
						st=context.createRadialGradient((3*os)+ic,(3.5*os)+ic,os*.5,(2.5*os)+ic,(3*os)+ic,ic-os);
						st.addColorStop(0,'rgba(255,255,255,'+sd+')');
						st.addColorStop(0.25,'rgba(255,255,255,'+(sd*.666666)+')');
						st.addColorStop(1,'rgba(255,255,255,0)'); context.fillStyle=st;
						if(canvas.isWK) {context.fill();}else {context.fillRect(0,0,sz,sz);}
						context.restore(); context.save();
						st=context.createLinearGradient((iw/2)-os,os*.5,(iw/2)+os,(os*.5)+ic);
						st.addColorStop(0,'rgba(255,255,255,'+sd+')');
						st.addColorStop(1,'rgba(255,255,255,0)');
						drawEllipse(context,os+(ic/2.5),os*.5,os+(ic/2.5)+(ic*1.2),(os*.5)+(ic*.9));
						context.fillStyle=st; context.fill();
						context.restore(); context.save();
						context.beginPath(); context.arc(os+ic,ic+lw,ic,0,(Math.PI/180)*360,true); context.closePath();
						context.strokeStyle='rgba('+gc+','+op+')'; context.lineWidth=lw;
						context.stroke(); context.restore(); 
					}
					img.src=canvas.source;
				}
			}
			if(options['show']) {canvas.style.visibility="visible";}
		} catch (e) {
		}
	},

	replace : function(canvas) {
		var object=canvas.parentNode; 
		var img=document.createElement('img');
		img.id=canvas.id;
		img.alt=canvas.alt;
		img.title=canvas.title;
		img.src=canvas.source;
		img.className=canvas.className;
		img.style.cssText=canvas.style.cssText;
		img.style.height=canvas.height+'px';
		img.style.width=canvas.width+'px';
		img.onclick=canvas.onclick;
		img.ondblclick=canvas.ondblclick
		object.replaceChild(img,canvas);
	},

	remove : function(canvas) {
		if(document.all && document.namespaces && !window.opera) {
			if(canvas.tagName.toUpperCase() == "VAR") {
				cvi_sphere.replace(canvas);
			}
		}else {
			if(canvas.tagName.toUpperCase() == "CANVAS") {
				cvi_sphere.replace(canvas);
			}
		}
	}
}