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_04_over = newImage("images/nav_04-over.jpg");
		nav_04_down = newImage("images/nav_04-down.jpg");
		nav_05_over = newImage("images/nav_05-over.jpg");
		nav_05_down = newImage("images/nav_05-down.jpg");
		nav_06_over = newImage("images/nav_06-over.jpg");
		nav_06_down = newImage("images/nav_06-down.jpg");
		nav_07_over = newImage("images/nav_07-over.jpg");
		nav_07_down = newImage("images/nav_07-down.jpg");
		nav_08_over = newImage("images/nav_08-over.jpg");
		nav_08_down = newImage("images/nav_08-down.jpg");
		nav_09_over = newImage("images/nav_09-over.jpg");
		nav_09_down = newImage("images/nav_09-down.jpg");
		nav_10_down = newImage("images/nav_10-down.jpg");
		nav_10_over = newImage("images/nav_10-over.jpg");
		nav_11_over = newImage("images/nav_11-over.jpg");
		nav_11_down = newImage("images/nav_11-down.jpg");
		nav_odds_over = newImage("images/nav_odds-over.jpg");
		nav_odds_down = newImage("images/nav_odds-down.jpg");
		preloadFlag = true;
	}
}
function switchPage(pg){
	document.pageinfo.section.value = pg;
	document.pageinfo.submit();	
}
function contactUs(){
	var temp = false;	
	var cu = document.contactus;
        if(cu.nm.value == ''){
                alert('Name cannot be blank.');
                cu.nm.focus();
        }else if(cu.email.value == ''){
                alert('E-Mail cannot be blank.');
                cu.email.focus();
	}else if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(cu.email.value))){
		alert("Invalid E-mail Address! Please re-enter.")
                cu.email.focus();
	}else if(cu.msg.value == ''){
		alert('Message cannot be blank.');
		cu.msg.focus();
	}else
		temp = true;

	return temp;
}