function initSuccessNav() {
	if (document.getElementById("success-nav")) {
		document.getElementById("success-nav").onchange = function() {
			location = this.options[this.selectedIndex].value;
		}
	}
}
var arrImagePreload = new Array();
function initMainNav() {
	if (document.getElementById("main-navigation")) {
		var arrNavItems = document.getElementById("main-navigation").getElementsByTagName("a");
		for (var i=0; i<arrNavItems.length; i++) {
			if (arrNavItems[i].className != "login-link") {
				arrNavItems[i].objImage = arrNavItems[i].getElementsByTagName("img")[0];
				if (arrNavItems[i].objImage.src.indexOf("-on") == -1) {
					arrNavItems[i].strOrig = arrNavItems[i].objImage.src;
					if (arrNavItems[i].objImage.src.indexOf(".jpg") == -1) {
						arrNavItems[i].strOver = arrNavItems[i].objImage.src.replace(".gif","-on.gif");
					} else {
						arrNavItems[i].strOver = arrNavItems[i].objImage.src.replace(".jpg","-on.jpg");
					}
					arrNavItems[i].onmouseover = function() {
						this.objImage.src = this.strOver;
					}
					arrNavItems[i].onmouseout = function() {
						this.objImage.src = this.strOrig;
					}
					arrImagePreload[arrImagePreload.length] = new Image();
					arrImagePreload[arrImagePreload.length - 1].src = arrNavItems[i].strOver;
				}
			}
		}
	}
}
initMainNav();
initSuccessNav();