sfHover = function() {
	var sfEls = document.getElementById("primary-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"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function syncNav(navID)
{
	if(navID == "")
	{
		var sPath = window.location.pathname;
		var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);

		switch(sPage)
		{
			case "index.shtml":
				navID = "nav_home";
				break;
			case "what_we_do_serious_words.shtml":
				navID = "nav_wwdsw";
				break;
			case "whats_happening.shtml":
				navID = "nav_wh";
				break;
			case "who_we_have_worked_with.shtml":			
				navID = "nav_wwhww";
				break;
			case "why_we_do_it.shtml":
				navID = "nav_wwdi";
				break;
			case "contact_us.shtml":
				navID = "nav_cu";
				break;
			case "":
				navID = "nav_home";
				break;
			default:
				navID = "";
				break;
		}
	}
	
	if(navID != "") document.getElementById(navID).setAttribute("class", "menuOn");
}