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 = true;
function preloadImages() {
	if (document.images) {
		headermain_01_over = newImage("images/headermain_01-over.jpg");
		headermain_02_over = newImage("images/headermain_02-over.jpg");
		headermain_03_over = newImage("images/headermain_03-over.jpg");
		preloadFlag = true;
	}
}





function validateForm()
{
	var f = document.forms.gift;
	if (f.first_name.value == '') {
		alert("Please provide your first name.");
		return false;
	}
	if (f.last_name.value == '') {
		alert("Please provide your last name.");
		return false;
	}
	if (f.amount.value == '') {
		alert("Please specify a gift cerfticate amount.");
		return false;
	}
	if (f.address.value == '') {
		alert("Please provide your address.");
		return false;
	}
	if (f.city.value == '') {
		alert("Please provide your city.");
		return false;
	}
	if (f.state.value == '') {
		alert("Please provide your state.");
		return false;
	}
	if (f.zip.value == '') {
		alert("Please provide your zipcode.");
		return false;
	}
	if (f.home_phone.value == '') {
		alert("Please provide a phone number.");
		return false;
	}
	if (f.email.value == '') {
		alert("Please provide your email address.");
		return false;
	}
	if (f.cc_type.value == '' || f.cc_type.value=='Select') {
		alert("Please select a credit card type.");
		return false;
	}
	if (f.cc_number.value == '') {
		alert("Please provide a valid credit card number.");
		return false;
	}
	if (f.cc_exp.value == '') {
		alert("Please provide your credit card expiration date.");
		return false;
	}
	return true;
}


function checkrequired(which) {

var pass=true;

if (document.images) {

for (i=0;i<which.length;i++) {

var tempobj=which.elements[i];

if (tempobj.name.substring(0,8)=="required") {

if (((tempobj.type=="text"||tempobj.type=="textarea")&&

tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&

tempobj.selectedIndex==0)) {

pass=false;

break;

         }

      }

   }

}

if (!pass) {

shortFieldName=tempobj.name.substring(8,30).toUpperCase();

alert("Please make sure the "+shortFieldName+" field was properly completed.");

return false;

}

else

return true;

}