sfHover = function() {
    var sfElsNav = document.getElementById("nav");
	if (sfElsNav == null) 
	{ 
		return false; 
	}
	var sfEls = sfElsNav.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 ActivateSubNode(activateNodeID)
{
    var subNavSfElsNav = document.getElementById("subNav");
	if (subNavSfElsNav == null) 
	{ 
		return false; 
	}
    var subNavSfEls = subNavSfElsNav.getElementsByTagName("LI");
    for (var i=0; i<subNavSfEls.length; i++) {   
        subNavSfEls[i].className='';        
    }
    
    var activateNode = document.getElementById(activateNodeID);
    activateNode.className += " subNavActive" ;
}