// JavaScript Document

var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

window.onload = init;

function init()
{
	if (!W3CDOM) return;
	var nav = document.getElementById('menu');
	var imgs = nav.getElementsByTagName('img');
	for (var i=0;i<imgs.length;i++)
	{
	    if (imgs[i].src.substring(imgs[i].src.lastIndexOf('_n')) == '_n.gif')
	    {
		    imgs[i].onmouseover = mouseGoesOver;
		    imgs[i].onmouseout = mouseGoesOut;
		    var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		    mouseOuts[i] = new Image();
		    mouseOuts[i].src = imgs[i].src;
		    mouseOvers[i] = new Image();
		    mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_h" + suffix;
		    imgs[i].number = i;
		}
	}
}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}	

function externalLinks() {
        if (!document.getElementsByTagName) {
            return;
        }
        var anchors = document.getElementsByTagName("a");
        for (var i=0; i<anchors.length; i++) {
            var anchor = anchors[i];
            if (anchor.getAttribute("href") &&
                anchor.getAttribute("rel") == "external") {
                anchor.target = "_blank";
            }
        }
}
    
window.onload = externalLinks;