<!--
function GetFileNameWithExtension(str) 
{ 
	return str.substring(str.lastIndexOf('/') + 1, str.length) 
}

function GetFileName(str) 
{ 
	return str.substring(str.lastIndexOf('/') + 1, str.lastIndexOf('.')) 
}

function GetExtension(str)
{
	return str.substring(str.lastIndexOf('.') + 1, str.length)		
}

var images;

images = document.getElementsByTagName("img");
for(i = 0; i < images.length; i++)
{
	ProcessImage(images[i]);
}

images = document.getElementsByTagName("input");
for(i = 0; i < images.length; i++)
{
	if (images[i].type == "image")
		ProcessImage(images[i]);
}

function ProcessImage(img)
{
	var sFullName = GetFileNameWithExtension(img.src);
	var sFileName = GetFileName(img.src);
	var sExtension = GetExtension(img.src);	
	
	if (sFileName.length < 3)
		return;
		
	if (sFileName.substring(0, 3).toLowerCase() != "but")
		return;
		
	if(img.id == null || img.id == "" || img.id == "null" || img.id == "undefined")
		img.id = sFileName + "_" + i;
		
	if (img.id.length <= 0)
		return;
					
	var imgOff = new Image();
	imgOff.src = "/images/" + sFullName;					
	
	var imgOn = new Image();
	imgOn.src = "/images/" + sFileName + "_over." + sExtension;
	
	img.imgOn = imgOn.src;
	img.imgOff = imgOff.src;
	img.onmouseover = function() { this.src = this.imgOn };
	img.onmouseout = function() { this.src = this.imgOff };
}

//-->