var loc = stringA = location.href.toLowerCase();
var strLocation = "/";
var len = strLocation.length;
var pos = stringA.indexOf(strLocation);

function lastFileName(stringA) {
	if (pos >= 0){
		stringA = stringA.substring(pos + len,stringA.length);
		while (stringA.indexOf("/") >= 0){
			pos = stringA.indexOf("/");
			stringA = stringA.substring(pos + 1,stringA.length);
		}
	}
	return stringA;
}	

function lastFolderName(stringA) {
	if (pos >= 0){
		var pos1,pos2;
		pos1 = stringA.lastIndexOf("/");
		stringA = stringA.substring(pos + len,pos1);
		pos2 = stringA.lastIndexOf("/");
		stringA = stringA.substring(pos2 + 1,pos1);
	}
	return stringA;
}

var lastFileOrFolderName = lastFileName(stringA);

//png透明
function correctPNG() 
{
for(var i=0; i<document.images.length; i++)
{
var img = document.images[i]
var imgName = img.src.toUpperCase()
if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
{
var imgID = (img.id) ? "id='" + img.id + "' " : ""
var imgClass = (img.className) ? "class='" + img.className + "' " : ""
var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
var imgStyle = "display:inline-block;" + img.style.cssText 
if (img.align == "left") imgStyle = "float:left;" + imgStyle
if (img.align == "right") imgStyle = "float:right;" + imgStyle
if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle 
var strNewHTML = "<span " + imgID + imgClass + imgTitle
+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
+ "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
img.outerHTML = strNewHTML
i = i-1
}
}
}
window.attachEvent("onload", correctPNG);