/**
* common library of javascript functions
*/

function addEvent(obj, evType, fn)
{
    if (obj.addEventListener)
    {
        obj.addEventListener(evType, fn, true);
        return true;
    }
    else if (obj.attachEvent)
    {
        var r = obj.attachEvent("on" + evType, fn);
        return r;
    }
    else
    {
        return false;
    }
}

/**
* fix alpha pngs on a page (turn on transparency for IE)
*/
function fixAlphaPng()
{
    var src     = '';
    var ua      = '';
    var width   = '';
    var height  = '';
    var rpng    = new RegExp('\.png$');
    var rmsie   = new RegExp('msie');
    var rmac    = new RegExp('mac');

    for (var i = 0; i < document.getElementsByTagName('IMG').length; i++)
    {
        src     = document.getElementsByTagName('IMG')[i].getAttribute('src').toLowerCase();
        ua      = navigator.userAgent.toLowerCase();
        width   = document.getElementsByTagName('IMG')[i].getAttribute('width');
        height  = document.getElementsByTagName('IMG')[i].getAttribute('height');

        if (src.match(rpng) && ua.match(rmsie) && !ua.match(rmac))
        {
            document.getElementsByTagName('IMG')[i].setAttribute('src', '/cms/img/spacer.png');
            document.getElementsByTagName('IMG')[i].style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=scale)';
            document.getElementsByTagName('IMG')[i].style.width = width + 'px';
            document.getElementsByTagName('IMG')[i].style.height = height + 'px';

        }
    }
    


}

addEvent(window, 'load', fixAlphaPng);

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');\">" 
img.outerHTML = strNewHTML 
i = i-1 
} 
} 
} 

	
	
	function alphaBackgrounds(){ 
		var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, ''); 
		var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5); 
		for (i=0; i < document.all.length; i++){ 
			var bg = document.all[i].currentStyle.backgroundImage; 
				if (itsAllGood && bg){ 
					if (bg.match(/\.png/i) != null){ 
						var mypng = bg.substring(5,bg.length-2); 
						document.all[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+mypng+"', sizingMethod='scale')"; 
						document.all[i].style.backgroundImage = "url('/cms/img/spacer.png')"; 
					} 
				} 
			} 
	} 
	if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) { 
		window.attachEvent("onload", alphaBackgrounds); 
	} 

//window.attachEvent("onload", correctPNG);