function sfHover () {
	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"), ""); }
	}
}

function titleToolTip (target, hotspot) {
	if ( !document.getElementById(target) ) return;
	var link = document.getElementById(target).getElementsByTagName("a");
	for (var i=0; i<link.length; i++) {
		link[i].onmouseover=function() { document.getElementById(hotspot).innerHTML = this.title; }
		link[i].onmouseout=function() { document.getElementById(hotspot).innerHTML = "&nbsp;"; }
	}
}

window.onload = function() {
	titleToolTip("lang", "lang_tooltip");
	titleToolTip("subnav", "subnav_tooltip");
	titleToolTip("tool", "toolbar_tooltip");
}



if (window.attachEvent) window.attachEvent("onload", sfHover);