function redirect(selectObj) {
	document.location = selectObj.options[selectObj.selectedIndex].value;
}

sfHover = function() {
	var sfEls = document.getElementById("weathernav").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);

function getRef(obj){
        return (typeof obj == "string") ?
        document.getElementById(obj) : obj;
}

function setStyle(obj,style,value){
        getRef(obj).style[style]= value;
}