var maxWidth=250;
var maxHeight=250;
function getPosXY(a,offset)
{
	var p=offset?offset.slice(0):[0,0],tn;
	while(a){tn=a.tagName.toUpperCase();
if(tn=='IMG'){a=a.offsetParent;continue;}
p[0]+=a.offsetLeft-(tn=="DIV"&&a.scrollLeft?a.scrollLeft:10);
p[1]+=a.offsetTop-(tn=="DIV"&&a.scrollTop?a.scrollTop:-3);
if(tn=="BODY")break;a=a.offsetParent;}
return p;}
function checkComplete()
{
	if(checkComplete.__img&&checkComplete.__img.complete)
checkComplete.__onload();
}
checkComplete.__onload=function()
{
	clearInterval(checkComplete.__timeId);
	var w=checkComplete.__img.width;
	var h=checkComplete.__img.height;
	if(w>=h&&w>maxWidth){previewImage.style.width=maxWidth+'px';
	}
else if(h>=w&&h>maxHeight)
{
	previewImage.style.height=maxHeight+'px';
}
else
{
	previewImage.style.width=previewImage.style.height='';
}
previewImage.src=checkComplete.__img.src;previewUrl.href=checkComplete.href;checkComplete.__img=null;}
function showPreview(e)
{
	hidePreview();
previewFrom=e.target||e.srcElement;
previewImage.src=loadingImg;
previewImage.style.width=previewImage.style.height='';
previewTimeoutId=setTimeout('_showPreview()',500);
checkComplete.__img=null;
}
function hidePreview(e)
{
	if(e){var toElement=e.relatedTarget||e.toElement;while(toElement)
	{
		if(toElement.id=='PreviewBox')
return;toElement=toElement.parentNode;
}
}
try{clearInterval(checkComplete.__timeId);
checkComplete.__img=null;previewImage.src=null;
}
catch(e){}
clearTimeout(previewTimeoutId);
previewBox.style.display='none';
}
function _showPreview()
{
	checkComplete.__img=new Image();
if(previewFrom.tagName.toUpperCase()=='A')previewFrom=previewFrom.getElementsByTagName('img')[0];
var largeSrc=previewFrom.getAttribute("large-src");
var picLink=previewFrom.getAttribute("pic-link");
if(!largeSrc)return;
else{checkComplete.__img.src=largeSrc;
checkComplete.href=picLink;
checkComplete.__timeId=setInterval("checkComplete()",20);
var pos=getPosXY(previewFrom,[75,-2]);
previewBox.style.left=pos[0]+'px';previewBox.style.top=pos[1]+'px';previewBox.style.display='block';
}
}