if (document.images) {
	about = new Image;
	abouton = new Image;
	about.src = 'pix/nav_about.gif';
	abouton.src = 'pix/nav_about_on.gif';
	services = new Image;
	serviceson = new Image;
	services.src = 'pix/nav_services.gif';
	serviceson.src = 'pix/nav_services_on.gif';
	markets = new Image;
	marketson = new Image;
	markets.src = 'pix/nav_markets.gif';
	marketson.src = 'pix/nav_markets_on.gif';
	cases = new Image;
	caseson = new Image;
	cases.src = 'pix/nav_cases.gif';
	caseson.src = 'pix/nav_cases_on.gif';
	offices = new Image;
	officeson = new Image;
	offices.src = 'pix/nav_offices.gif';
	officeson.src = 'pix/nav_offices_on.gif';
	news = new Image;
	newson = new Image;
	news.src = 'pix/nav_news.gif';
	newson.src = 'pix/nav_news_on.gif';
	careers = new Image;
	careerson = new Image;
	careers.src = 'pix/nav_careers.gif';
	careerson.src = 'pix/nav_careers_on.gif';
	newsletter = new Image;
	newsletteron = new Image;
	newsletter.src = 'pix/nav_newsletter.gif';
	newsletteron.src = 'pix/nav_newsletter_on.gif';
	contact = new Image;
	contacton = new Image;
	contact.src = 'pix/nav_contact.gif';
	contacton.src = 'pix/nav_contact_on.gif';
 }

 function changeImg(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}

function showhide(layer_ref,state) {
	if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
	}
	if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
	}
	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
	}
} 

function closeall(active){
	var men=new Array();
	men[0]="aboutmenu";
	men[1]="servicesmenu";
	men[2]="marketsmenu";
	men[3]="casesmenu";
	men[4]="officesmenu";
	men[5]="newsmenu";
	men[6]="careersmenu";
	men[7]="newslettermenu";
	men[8]="contactmenu";
	var state='none';
	for (var i=0; i<men.length; i++) {
		var mm=men[i];
		if(mm!==active){
			if (document.all) { //IS IE 4 or 5 (or 6 beta)
				eval( "document.all." + mm + ".style.display = state");
			}
			if (document.layers) { //IS NETSCAPE 4 or below
				document.layers[mm].display = state;
			}
			if (document.getElementById &&!document.all) {
				hza = document.getElementById(men[i]);
				hza.style.display = state;
			}
		}
	}
}
function decision(message, url){
if(confirm(message)) location.href = url;
}