function tagLink () {
	for (var i=0; i<arguments.length; i++) {
		var d = document.getElementById(arguments[i]);
		d.style.color = "#DF5800";
		d.style.textDecoration = "none";
	}
}

//preloading buttons
		homeh_on = new Image();
		homeh_on.src = "/images/navh_home1.png";
		homeh_off = new Image();
		homeh_off.src = "/images/navh_home0.png";
		contacth_on = new Image();
		contacth_on.src = "/images/navh_contact1.png";
		contacth_off = new Image();
		contacth_off.src = "/images/navh_contact0.png";
		exech_on = new Image();
		exech_on.src = "/images/navh_exec1.png";
		exech_off = new Image();
		exech_off.src = "/images/navh_exec0.png";
		abouth_on = new Image();
		abouth_on.src = "/images/navh_about1.png";
		abouth_off = new Image();
		abouth_off.src = "/images/navh_about0.png";
		surveysh_on = new Image();
		surveysh_on.src = "/images/navh_surveys1.png";
		surveysh_off = new Image();
		surveysh_off.src = "/images/navh_surveys0.png";
		advisorh_on = new Image();
		advisorh_on.src = "/images/navh_advisor1.png";
		advisorh_off = new Image();
		advisorh_off.src = "/images/navh_advisor0.png";
		
		home_on = new Image();
		home_on.src = "/images/nav_home1.png";
		home_off = new Image();
		home_off.src = "/images/nav_home0.png";
		contact_on = new Image();
		contact_on.src = "/images/nav_contact1.png";
		contact_off = new Image();
		contact_off.src = "/images/nav_contact0.png";
		exec_on = new Image();
		exec_on.src = "/images/nav_exec1.png";
		exec_off = new Image();
		exec_off.src = "/images/nav_exec0.png";
		about_on = new Image();
		about_on.src = "/images/nav_about1.png";
		about_off = new Image();
		about_off.src = "/images/nav_about0.png";
		surveys_on = new Image();
		surveys_on.src = "/images/nav_surveys1.png";
		surveys_off = new Image();
		surveys_off.src = "/images/nav_surveys0.png";
		advisor_on = new Image();
		advisor_on.src = "/images/nav_advisor1.png";
		advisor_off = new Image();
		advisor_off.src = "/images/nav_advisor0.png";
		
		arrow_on = new Image();
		arrow_on.src = "/images/home_exec_arrow1.png";
		arrow_off = new Image();
		arrow_off.src = "/images/home_exec_arrow0.png";

function rollOn(button) {
	if (document.images) {
	document.images[button].src = eval(button + "_on.src");
	}
}

function rollOff(button) {
	if (document.images) {
	document.images[button].src = eval(button + "_off.src");
	}
}

function zoomIn(URL,hwidth,vheight) { // standard popup for more information
		moreInfo = window.open(URL,"zoom","width=" + hwidth + ",height=" + vheight + ",toolbar=no,location=no,resizable=no,scrollbars=yes,top=70,left=100")
		moreInfo.focus ();
	}