$(document).ready(function()
	{
	$("li a img").hover(
		function()
			{
			if($(this).attr("class") != "on")
				{
				this.src =  this.src.replace("_up","_roll");
				}
			else
				{
				this.src =  this.src.replace("_roll","_up");
				}
			},
		function()
			{
			if($(this).attr("class") != "on")
				{
				this.src =  this.src.replace("_roll","_up");
				}
			else
				{
				this.src =  this.src.replace("_up","_roll");
				}
			}
		);
	$("#corpoDouble a img").hover(
		function()
			{
			if($(this).attr("class") != "on")
				{
				this.src =  this.src.replace("_up","_roll");
				}
			else
				{
				this.src =  this.src.replace("_roll","_up");
				}
			},
		function()
			{
			if($(this).attr("class") != "on")
				{
				this.src =  this.src.replace("_roll","_up");
				}
			else
				{
				this.src =  this.src.replace("_up","_roll");
				}
			}
		);
	});
function externalLinks()
	{
	if(!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for(var i=0; i<anchors.length; i++)
		{
		var anchor = anchors[i];
		var relvalue = anchor.getAttribute("rel");
		if(anchor.getAttribute("href"))
			{
			var external = /external/;
			var relvalue = anchor.getAttribute("rel");
			if(external.test(relvalue))
				{
				anchor.target = "_blank";
				}
			}
		}
	}
window.onload = externalLinks;