sfHover = function() {
	var sfElsH;
	var sfElsV;
	
	// menu vertical
	if (document.getElementById("primary-nav-v")){
		if (sfElsV = document.getElementById("primary-nav-v").getElementsByTagName("LI")){
			for (var i=0; i<sfElsV.length; i++) {
				sfElsV[i].onmouseover=function() {
					this.className+=" sfhover";
				}
				sfElsV[i].onmouseout=function() {
					this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
				}
			}
		}
	}
	
	// menu horizontal
	if (document.getElementById("primary-nav-h")) {
		if (sfElsH = document.getElementById("primary-nav-h").getElementsByTagName("LI")){
			for (var i=0; i<sfElsH.length; i++) {
				sfElsH[i].onmouseover=function() {
					this.className+=" sfhover";
				}
				sfElsH[i].onmouseout=function() {
					this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
				}
			}
		}
	}
}

// incluindo
if (document.all) { //MS IEca
    if (window.attachEvent)
        window.attachEvent("onload", sfHover);
    else { //IE 5.2 Mac does not support attachEvent
        var old = window.onload;
        window.onload = function() { if (old) old(); sfHover(); }
    }
}