//Main menu

function ieHover()
{
	var nav = document.getElementById("main-nav");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i=0; i<nodes.length; i++)
		{
			nodes[i].onmouseover = function() 
			{
				this.className += " hover";
			}
			nodes[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}

if (window.attachEvent && !window.opera){
	window.attachEvent("onload", ieHover);
}

//Create external links with target = blank
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";
            }
        }
    }
}