function initPage() {
	initDropDown();
}
function initDropDown()
{
	var nav = document.getElementById("sub-nav");
	if(nav) {
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++) {
			if(lis[i].getElementsByTagName("ul").length > 0) {
				lis[i].className += " has-drop-down"
				lis[i].getElementsByTagName("a")[0].className += " has-drop-down-a"
			}
			
		}
	}
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);