//to get pop up menu in IE
sfHover = function() {
	var sfEls = document.getElementById("vertnav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


//to get footer to go to bottom of page

function getWindowHeight() {
			var windowHeight = 0;
			if (typeof(window.innerHeight) == 'number') {
				windowHeight = window.innerHeight;
			}
			else {
				if (document.documentElement && document.documentElement.clientHeight) {
					windowHeight = document.documentElement.clientHeight;
				}
				else {
					if (document.body && document.body.clientHeight) {
						windowHeight = document.body.clientHeight;
					}
				}
			}
			return windowHeight;
		}
		function setFooter() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				if (windowHeight > 0) {
					var contentHeight = document.getElementById('wrapper').offsetHeight;
					var footerElement = document.getElementById('footer');
					var footerHeight  = footerElement.offsetHeight;
					if (windowHeight - (contentHeight + footerHeight) >= 0) {
						footerElement.style.position = 'absolute';
						footerElement.style.top = (windowHeight - footerHeight) + 'px';
					}
					else {
						footerElement.style.position = 'static';
					}
				}
			}
		}
		window.onload = function() {
			setFooter();
		}
		window.onresize = function() {
			setFooter();
		}