function showSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}
function hideSelectBoxes(){
	var selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

sfHover = function() {
	var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;
	var sfEls = document.getElementById("menu-main").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			 if (IE6) hideSelectBoxes();
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			showSelectBoxes();
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);