function init() {
	M=false;
	N=false;
	if (navigator.appName.slice(0,1)=='N') N=true; else M=true;
	cm=null;
	document.onmouseover=menuControl;
}

function getPos(el,sProp) {
	var iPos=0;
	while (el!=null) {
		if (el.tagName!='A') iPos+=el["offset"+sProp];
		el = el.offsetParent;
	}
	return iPos;
}

function show(el,m) {
	with (m.style) {
		display='';
		left=getPos(el,"Left");
		top=getPos(el,"Top")+el.offsetHeight;
	}
	if ((m!=cm) && (cm!=null)) cm.style.display='none';
	cm=m;
}

function hide() {
	if (cm!=null) cm.style.display='none';
	cm=null;
}

function menuControl(e) {
	if (N) es=e.target;
	if (M) es=event.srcElement;
	esi=es.id;
	if (esi==void 0) {
		es=es.parentNode;
		esi=es.id;
	}
	es1=esi.substring(0,1);
	es2=esi.substring(1,2);
	if (es1=='d') {
	if (es2!='1') document.getElementById('d1').src='images/nav_services.gif';
	if (es2!='2') document.getElementById('d2').src='images/nav_project_profiles.gif';
	if (es2!='3') document.getElementById('d3').src='images/nav_personnel.gif';
	if (es2!='4') document.getElementById('d4').src='images/nav_testimonials.gif';
	if (es2!='5') document.getElementById('d5').src='images/nav_contact_us.gif';
		show(es,document.getElementById('sd'+es2));
	}
	if (es1=='B') {
		hide();
		document.getElementById('d1').src='images/nav_services.gif';
		document.getElementById('d2').src='images/nav_project_profiles.gif';
		document.getElementById('d3').src='images/nav_personnel.gif';
		document.getElementById('d4').src='images/nav_testimonials.gif';
		document.getElementById('d5').src='images/nav_contact_us.gif';
	}
}