// Adds a Listener to your functions
function addLoadListener(fn) {
	if (typeof window.addEventListener != 'undefined') {
		window.addEventListener('load', fn, false);
	} else if (typeof document.addEventListener != 'undefined') {
		document.addEventListener('load', fn, false);
	} else if (typeof window.attachEvent != 'undefined') {
		window.attachEvent('onload', fn);
	} else {
		var oldfn = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = fn;
		} else {
			window.onload = function() {
				oldfn();
				fn();
			};
		}
	}
}

/*
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
    Usage: getElementsByClassName(document, 'img' ,'image');
*/
function getElementsByClassName(oElm, strTagName, strClassName) {
	var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];		
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}	
	}
	return (arrReturnElements)
}

// Push and Splice support for IE 5
Array.prototype.push = function() {
	for (var i = 0; i < arguments.length; i++) {
		this[this.length] = arguments[i];
	}
	return arguments[i - 1];
};

Array.prototype.splice = function(a, b) {
	var tmp = [];
	for (var i = a + b; i < this.length; i++) {
		tmp[tmp.length] = this[i];
	}
	var rem = [];
	for (i = a; i < a + b; i++) {
		rem[rem.length] = this[i];
	}
	this.length = a;
	for (i = 2; i < arguments.length; i++) {
		this[this.length] = arguments[i];
	}
	for (i = 0; i < tmp.length; i++) {
		this[this.length] = tmp[i];
	}
	return rem;
};

function isLessThanIE6()
{
	var arVersion = navigator.appVersion.split("MSIE");
	var version = parseFloat(arVersion[1]);

	if ((version >= 5.5) && (version < 7))
		return true;
	else
		return false;
}

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE");
   var version = parseFloat(arVersion[1]);

   if ((version >= 5.5) && (document.body.filters)) 
   {
      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;
         }
      }
   }    
}