var flag=""

	//bind the event handlers
	function addEvent(elem, evtType, func) {
		//W3C DOM browsers
		if (elem.addEventListener) {
			elem.addEventListener(evtType, func, false);
		// IE4+
		} else if (elem.attachEvent) {
			elem.attachEvent("on"+evtType, func);
		// all others
		} else {
			elem["on"+evtType] = func;
		}
	}
	
    // Prevents event bubble up or any usage after this is called.
    eventCancel = function (e)
    {
       if (!e)
         if (window.event) e = window.event;
         else return;
       if (e.cancelBubble != null) e.cancelBubble = true;
       if (e.stopPropagation) e.stopPropagation();
       if (e.preventDefault) e.preventDefault();
       if (window.event) e.returnValue = false;
       if (e.cancel != null) e.cancel = true;
    }
	
	addEvent(window, "load", function() { 
		addEvent(document.getElementById("services"), "click", function(evt) { eventCancel(); });
		addEvent(document.getElementById("clients"), "click", function(evt) { eventCancel(); });
		addEvent(document.getElementById("contact"), "click", function(evt) { eventCancel(); });
		} )

function divShow(divShowName) {
Reference = eval("document.getElementById('" + divShowName + "').style");
Reference.visibility = "visible";
flag = divShowName;
}

function divHide(divHideName) {
if (divHideName != "") {
Reference = eval("document.getElementById('" + divHideName + "').style");
Reference.visibility = "hidden";
}
}

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

function addEvent(elem, evtType, func) {
	if (elem.addEventListener) {
		elem.addEventListener(evtType, func, false);
	} else if (elem.attachEvent) {
		elem.attachEvent("on"+evtType, func);
	} else {
		elem["on"+evtType] = func;
	}
}

addEvent(window, "load", function() { 
	addEvent(document.getElementById("services"), "click", function(evt) { evt.preventDefault(); });
	addEvent(document.getElementById("clients"), "click", function(evt) { evt.preventDefault(); });
	addEvent(document.getElementById("contact"), "click", function(evt) { evt.preventDefault(); });
});