/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->

*/

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])
if ((version >= 5.5) && (version < 7)) 
{
   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
      }
   }
}

if(window.attachEvent && (version < 7))
{
	var logoImage = document.getElementById('logo');
	logoImage.attachEvent('onmouseover', logoHover);
	var nextImage = document.getElementById('next');
	//alert(nextImage);
	if(nextImage){
	nextImage.attachEvent('onmouseover', nextHover);
	}
	var backImage = document.getElementById('back');
	if(backImage){
	backImage.attachEvent('onmouseover', backHover);
	}
}

function logoHover()
{
	var img = document.getElementById('logo');
	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=\'../logo_over.png\', sizingMethod='scale');\" onmouseout=\"logoRestore();\"></span>" 
	img.outerHTML = strNewHTML
}

function logoRestore()
{
	var img = document.getElementById('logo');
	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=\'../logo.png\', sizingMethod='scale');\" onmouseover=\"logoHover();\"></span>" 
	img.outerHTML = strNewHTML
}
function nextHover()
{
	var img = document.getElementById('next');
	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=\'../next_over.png\', sizingMethod='scale');\" onmouseout=\"nextRestore();\"></span>" 
	img.outerHTML = strNewHTML
}
function nextRestore()
{
	var img = document.getElementById('next');
	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=\'../next.png\', sizingMethod='scale');\" onmouseover=\"nextHover();\"></span>" 
	img.outerHTML = strNewHTML
}
function backHover()
{
	var img = document.getElementById('back');
	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=\'../back_over.png\', sizingMethod='scale');\" onmouseout=\"backRestore();\"></span>" 
	img.outerHTML = strNewHTML
}
function backRestore()
{
	var img = document.getElementById('back');
	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=\'../back.png\', sizingMethod='scale');\" onmouseover=\"backHover();\"></span>" 
	img.outerHTML = strNewHTML
}
