function initMenu()
{
if(document.getElementById("nav")) {
	var _nav = document.getElementById("nav")
	if (_nav) {
		var nodes = _nav.getElementsByTagName("a")
		for (var i = 0; i < nodes.length; i++) {
			nodes[i].onclick = function(){
				if (this.parentNode.className.indexOf("show") != -1) {
					this.parentNode.className = this.parentNode.className.replace("show", "");
				}
				else {
					this.parentNode.className += " show";
				}
			}
		}
	}
}
}





if (window.addEventListener)
{
	window.addEventListener("load", initMenu, false);
}
else if (window.attachEvent){
	window.attachEvent("onload", initMenu);
}