sfHover = function() 
{
    // navigation ie tweak
    var sfEls = document.getElementById("nav-bar").getElementsByTagName("li");
    if (sfEls)
    {
	    for (var i=0; i<sfEls.length; i++) {
		    sfEls[i].onmouseover=function() {
			    this.className+=" hover";
		    }
		    sfEls[i].onmouseout=function() {
			    this.className=this.className.replace(new RegExp(" hover\\b"), "");
		    }
	    }
    }	    

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