<!--

function newimage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeimages() {
	if (document.images && (preloadflag == true)) {
		for (var i=0; i<changeimages.arguments.length; i+=2) {
			document[changeimages.arguments[i]].src = changeimages.arguments[i+1];
		}
	}
}

var preloadflag = false;
function preloadimages() {
	if (document.images) {
		nav_doctors_hospital_over = newimage("images/nav_doctors_hospital-over.gif");
		nav_doctors_prof_over = newimage("images/nav_doctors_prof-over.gif");
		nav_doctors_test_over = newimage("images/nav_doctors_test-over.gif");
		nav_doctors_medical_over = newimage("images/nav_doctors_medical-over.gif");
		nav_doctors_boarding_over = newimage("images/nav_doctors_boarding-over.gif");
		nav_doctors_store_over = newimage("images/nav_doctors_store-over.gif");
		nav_doctors_help_over = newimage("images/nav_doctors_help-over.gif");
		preloadflag = true;
	}
}

// -->