sfHover = function() {
	var sfEls = document.getElementById("nav").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 ShowDays(control){
    var days = document.getElementById(control);
    if(days.style.display == "block"){
    days.style.display = "none";
    } else {
    days.style.display = "block";
    }
}