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) {
		topnav_aboutus_over = newImage('images/topnav_aboutus_over.gif');
		topnav_services_over = newImage('images/topnav_services_over.gif');
		topnav_awards_over = newImage('images/topnav_awards_over.gif');
		topnav_news_over = newImage('images/topnav_news_over.gif');
		topnav_testimonials_over = newImage('images/topnav_testimonials_over.gif');
		topnav_contactus_over = newImage('images/topnav_contactus_over.gif');
		preloadFlag = true;
	}
}
function validate_signup(){
	if ((document.getElementById("name1").value=="") || (document.getElementById("name1").value=="First Name")){
		alert("Please type in your name.");
	}
	else{
		if ((document.getElementById("email1").value=="") || (document.getElementById("email1").value=="Primary E-mail")){
			alert("Please type in your email.");
		}
		else if (document.getElementById("email1").value.indexOf("@",1)==-1){
			alert("Please enter a valid email address");
		}
		else if (document.getElementById("email1").value.indexOf(".",3)==-1){
			alert("Please enter a valid email address.");
		}
		else{
			document.getElementById("news2").action = "add_contact.php";
			document.getElementById("news2").submit();
		}
	}
}