function initRollovers() 
{
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) 
	{		
		if (aImages[i].className == 'imgover') 
		{
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() 
			{
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() 
			{
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
			
	displayMessage();
}

function PageQuery(q) 
{
	if(q.length > 1) 
		this.q = q.substring(1, q.length);
	else 
		this.q = null;
		
	this.keyValuePairs = new Array();
	
	if (q) 
	{
		for(var i=0; i < this.q.split("&").length; i++) 
		{
			this.keyValuePairs[i] = this.q.split("&")[i];
		}
	}
	
	this.getKeyValuePairs = function() 
	{ 
		return this.keyValuePairs; 
	}
	
	this.getValue = function(s) 
	{
		for(var j = 0; j < this.keyValuePairs.length; j++) 
		{
			if(this.keyValuePairs[j].split("=")[0] == s)
			return this.keyValuePairs[j].split("=")[1];
		}
		
		return false;
	}
	
	this.getParameters = function() 
	{
		var a = new Array(this.getLength());
		
		for(var j = 0; j < this.keyValuePairs.length; j++) 
		{
			a[j] = this.keyValuePairs[j].split("=")[0];
		}
		
		return a;
	}
	
	this.getLength = function() 
	{ 
		return this.keyValuePairs.length; 
	}
}

function queryString(key)
{	
	var page = new PageQuery(window.location.search);
	return unescape(page.getValue(key)).replace(/\+/g, " ");
}

function displayMessage()
{
	var textMessage = queryString('Message');

	if (textMessage != 'false')
	{
		do
			textMessage = textMessage.replace("|", "\r");
		while (textMessage.indexOf("|") != -1)

		window.alert(textMessage);
	}
}

window.onload = initRollovers;