nav1on = new Image();
nav1on.src = "_images/nav2_home_f2.gif";
nav1off = new Image();
nav1off.src = "_images/nav2_home.gif";

nav2on = new Image();
nav2on.src = "_images/nav2_editorial_f2.gif";
nav2off = new Image();
nav2off.src = "_images/nav2_editorial.gif";

nav3on = new Image();
nav3on.src = "_images/nav2_market_f2.gif";
nav3off = new Image();
nav3off.src = "_images/nav2_market.gif";

nav4on = new Image();
nav4on.src = "_images/nav2_services_f2.gif";
nav4off = new Image();
nav4off.src = "_images/nav2_services.gif";

nav5on = new Image();
nav5on.src = "_images/nav2_workforsale_f2.gif";
nav5off = new Image();
nav5off.src = "_images/nav2_workforsale.gif";

nav6on = new Image();
nav6on.src = "_images/nav2_dexfiles_f2.gif";
nav6off = new Image();
nav6off.src = "_images/nav2_dexfiles.gif";

nav7on = new Image();
nav7on.src = "_images/nav2_contact_f2.gif";
nav7off = new Image();
nav7off.src = "_images/nav2_contact.gif";

function on(image) {
   if (parseInt(navigator.appVersion.substring(0,1))>=3) {
		document[image].src = eval(image + "on.src");
   }
}
function off(image) {
   if (parseInt(navigator.appVersion.substring(0,1))>=3) {
		document[image].src = eval(image + "off.src");
   }
}

function navHighlight(primary) {
  if(document[primary]){
    document[primary].src = eval(primary+"on.src")
    eval(primary+"off.src ="+primary+"on.src")
  }
}

function popup(url, name, winwidth , winheight, winscroll) {
	var popwin;
	var opts = "toolbar=no,status=no,location=no,menubar=no,resizable=no,height=" + winheight + ",width=" + winwidth + ",scrollbars=" + winscroll;	
	popwin = window.open("", name, opts);	
	popwin.focus();
	popwin.location = url;
}