var IEPNGFix=window.IEPNGFix || {};IEPNGFix.tileBG=function(elm,pngSrc,ready) { var data=this.data[elm.uniqueID],elmW=Math.max(elm.clientWidth,elm.scrollWidth),elmH=Math.max(elm.clientHeight,elm.scrollHeight),bgX=elm.currentStyle.backgroundPositionX,bgY=elm.currentStyle.backgroundPositionY,bgR=elm.currentStyle.backgroundRepeat;if (!data.tiles) { data.tiles={ elm:elm,src:'',cache:[],img:new Image(),old:{} };} var tiles=data.tiles,pngW=tiles.img.width,pngH=tiles.img.height;if (pngSrc) { if (!ready && pngSrc !=tiles.src) { tiles.img.onload=function() { this.onload=null;IEPNGFix.tileBG(elm,pngSrc,1);};return tiles.img.src=pngSrc;} } else { if (tiles.src) ready=1;pngW=pngH=0;} tiles.src=pngSrc;if (!ready && elmW==tiles.old.w && elmH==tiles.old.h && bgX==tiles.old.x && bgY==tiles.old.y && bgR==tiles.old.r) { return;} var pos={ top:'0%',left:'0%',center:'50%',bottom:'100%',right:'100%' },x,y,pc;x=pos[bgX] || bgX;y=pos[bgY] || bgY;if (pc=x.match(/(\d+)%/)) { x=Math.round((elmW-pngW) * (parseInt(pc[1]) / 100));} if (pc=y.match(/(\d+)%/)) { y=Math.round((elmH-pngH) * (parseInt(pc[1]) / 100));} x=parseInt(x);y=parseInt(y);var repeatX={ 'repeat':1,'repeat-x':1 }[bgR],repeatY={ 'repeat':1,'repeat-y':1 }[bgR];if (repeatX) { x %=pngW;if (x > 0) x-=pngW;} if (repeatY) { y %=pngH;if (y > 0) y-=pngH;} this.hook.enabled=0;if (!({ relative:1,absolute:1 }[elm.currentStyle.position])) { elm.style.position='relative';} var count=0,xPos,maxX=repeatX ? elmW:x+0.1,yPos,maxY=repeatY ? elmH:y+0.1,d,s,isNew;if (pngW && pngH) { for (xPos=x;xPos < maxX;xPos+=pngW) { for (yPos=y;yPos < maxY;yPos+=pngH) { isNew=0;if (!tiles.cache[count]) { tiles.cache[count]=document.createElement('div');isNew=1;} var clipR=Math.max(0,xPos+pngW > elmW ? elmW-xPos:pngW),clipB=Math.max(0,yPos+pngH > elmH ? elmH-yPos:pngH);d=tiles.cache[count];s=d.style;s.behavior='none';s.left=(xPos-parseInt(elm.currentStyle.paddingLeft))+'px';s.top=yPos+'px';s.width=clipR+'px';s.height=clipB+'px';s.clip='rect('+(yPos < 0 ? 0-yPos:0)+'px,'+clipR+'px,'+clipB+'px,'+(xPos < 0 ? 0-xPos:0)+'px)';s.display='block';if (isNew) { s.position='absolute';s.zIndex=-999;if (elm.firstChild) { elm.insertBefore(d,elm.firstChild);} else { elm.appendChild(d);} } this.fix(d,pngSrc,0);count++;} } } while (count < tiles.cache.length) { this.fix(tiles.cache[count],'',0);tiles.cache[count++].style.display='none';} this.hook.enabled=1;tiles.old={ w:elmW,h:elmH,x:bgX,y:bgY,r:bgR };};IEPNGFix.update=function() { for (var i in IEPNGFix.data) { var t=IEPNGFix.data[i].tiles;if (t && t.elm && t.src) { IEPNGFix.tileBG(t.elm,t.src);} } };IEPNGFix.update.timer=0;if (window.attachEvent && !window.opera) { window.attachEvent('onresize',function() { clearTimeout(IEPNGFix.update.timer);IEPNGFix.update.timer=setTimeout(IEPNGFix.update,100);});}