// Rollover functions
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_aboutus_on = newImage("images/nav_aboutus-on.gif");
			nav_sgiadvantage_on = newImage("images/nav_sgiadvantage-on.gif");
			nav_servicedivisions_on = newImage("images/nav_servicedivisions-on.gif");
			nav_trainingcourses_on = newImage("images/nav_trainingcourses-on.gif");
			nav_contactus_on = newImage("images/nav_contactus-on.gif");
			footer_sub_on = newImage("images/footer_sub-on.gif");
			preloadFlag = true;
		}
	}
	
function JumpPage(page,section) {
	var gopage;
	
	if (section == ''){
		gopage = (page + '.php3');
	} else {
		gopage = (page + '.php3?section=' + section);
	}
	//alert(gopage);
	location.href = gopage;
}