function ImgShow(evt){
		var imgTag=(window.event)?event.srcElement:evt.target;
		var imgPath=imgTag.src.replace("a.jpg",".jpg");
		var tagTop=Math.max(document.documentElement.scrollTop,document.body.scrollTop);
		var tag=document.createElement("div");
			tag.style.cssText="width:100%;height:"+Math.max(document.body.clientHeight,document.body.offsetHeight)+"px;position:absolute;background:white;top:0;filter: Alpha(Opacity=0);Opacity:0;";
			tag.ondblclick=function(){var clsOK=confirm("Are you sure to cancel pictures showing?"); if(clsOK){closes();}};
		var tagImg=document.createElement("div");
			tagImg.style.cssText="z-index:10000;font:12px /18px verdana;overflow:auto;text-align:center;position:absolute;width:200px;border:5px solid gray;background:gray;color:white;left:"+(parseInt(document.body.offsetWidth)/2-100)+"px;top:"+(document.documentElement.clientHeight/3+tagTop)+"px;"
			tagImg.innerHTML="<div style='padding:10px;background:#cccccc;border:1px solid white'><img src='http://bbs.blueidea.com/attachment.php?aid=91156&noupdate=yes' /><br /><br /><b style='color:#999999;font-weight:normal'>Image loading...</b><br /></div>";
		var closeTag=document.createElement("div");
			closeTag.style.cssText="display:none;position:absolute;right:5px;top:5px;background:none;border:1px solid white;yellow:white;filter:Alpha(Opacity=100);Opacity:1;cursor:pointer;";
			closeTag.innerHTML='<img src="/wp-content/themes/WW/images/eroom_delete.png" alt="" />';
			closeTag.onclick=closes;
		document.body.appendChild(tag);
		document.body.appendChild(tagImg);
		var img=new Image();
			img.src=imgPath;
			img.style.cssText="border:1px solid #cccccc;filter: Alpha(Opacity=0);Opacity:0;";
			tagImg.oncontextmenu=function(){var clsOK=confirm("Are you sure to cancel pictures showing?"); if(clsOK){closes();};return false};
		var barShow,imgTime;
		img.complete?ImgOK():img.onload=ImgOK;
		function ImgOK(){
			var Stop1=false,Stop2=false,temp=0;
			var tx=tagImg.offsetWidth,ty=tagImg.offsetHeight;
			var ix=img.width,iy=img.height;
			var sx=document.documentElement.clientWidth,sy=Math.min(document.documentElement.clientHeight,document.body.clientHeight/*opera*/);
			var xx=ix>sx?sx-50:ix+4,yy=iy>sy?sy-50:iy+3;
			var maxTime=setInterval(function(){
					temp+=35;
				if((tx+temp)<xx){
					tagImg.style.width=(tx+temp)+"px";
					tagImg.style.left=(sx-(tx+temp))/2+"px";
				}else{
					Stop1=true;
					tagImg.style.width=xx+"px";
					tagImg.style.left=(sx-xx)/2+"px";
				}
				if((ty+temp)<yy){
					tagImg.style.height=(ty+temp)+"px";
					tagImg.style.top=(tagTop+((sy-(ty+temp))/2))+"px";
				}else{
					Stop2=true;
					tagImg.style.height=yy+"px";
					tagImg.style.top=(tagTop+((sy-yy)/2))+"px";
				}
				if(Stop1&&Stop2){
					clearInterval(maxTime);
					tagImg.appendChild(img);
					temp=0;
					imgOPacity();
				}
			},1);
			function imgOPacity(){
				temp+=10;
				img.style.filter="alpha(opacity="+temp+")";
				img.style.opacity=temp/100;
				imgTime=setTimeout(imgOPacity,1)
				if(temp>100) clearTimeout(imgTime);
			}
			tagImg.innerHTML="";
			tagImg.appendChild(closeTag);
			if(ix>xx||iy>yy){
				img.alt="";
				img.ondblclick=function (){
					if(tagImg.offsetWidth<img.offsetWidth||tagImg.offsetHeight<img.offsetHeight){
						img.style.width="auto";
						img.style.height="100%";
						img.alt="";
						img.onmousedown=null;
						closeTag.style.top="10px";
						closeTag.style.left="10px";
						tagImg.style.overflow="visible";
						tagImg.style.width=img.offsetWidth+"px";
						tagImg.style.left=((sx-img.offsetWidth)/2)+"px";
					}else{
						img.style.width=ix+"px";
						img.style.height=iy+"px";
						img.alt="";
						img.onmousedown=dragDown;
						tagImg.style.overflow="auto";
						tagImg.style.width=xx+"px";
						tagImg.style.left=((sx-xx)/2)+"px";
					}
				}
				img.onmousedown=dragDown;
				tagImg.onmousemove=barHidden;
				tagImg.onmouseout=moveStop;
				document.onmouseup=moveStop;
			}else{
				tagImg.style.overflow="visible";
				tagImg.onmousemove=barHidden;
			}
		}
		function dragDown(a){
			img.style.cursor="pointer";
			var evts=a||window.event;
			var onx=evts.clientX,ony=evts.clientY;
			var sox=tagImg.scrollLeft,soy=tagImg.scrollTop;
			var sow=img.width+2-tagImg.clientWidth,soh=img.height+2-tagImg.clientHeight;
			var xxleft,yytop;
			document.onmousemove=function(e){
				var evt=e||window.event;
				xxleft=sox-(evt.clientX-onx)<0?"0":sox-(evt.clientX-onx)>sow?sow:sox-(evt.clientX-onx);
				yytop=soy-(evt.clientY-ony)<0?"0":soy-(evt.clientY-ony)>soh?soh:soy-(evt.clientY-ony);
				tagImg.scrollTop=yytop;
				tagImg.scrollLeft=xxleft;
				closeTag.style.top=(yytop+10)+"px";
				closeTag.style.left=(xxleft+10)+"px";
				return false;
			}
			return false;
		}
		function barHidden(){
			clearTimeout(barShow);
			if(closeTag.style.display=="none")closeTag.style.display="block";
			barShow=setTimeout(function(){closeTag.style.display="none";},2000);
		}
		function closes(){
			document.body.removeChild(tag);
			document.body.removeChild(tagImg);
			clearTimeout(barShow);
			clearTimeout(imgTime);
			document.onmouseup=null;
			tag=img=tagImg=closeTag=null;
		}
		function moveStop(){
			document.onmousemove=null;
			tagImg.onmousemove=barHidden;
			img.style.cursor="default";
		}
	}