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) {
		index_02_over = newImage("images/index_02-over.gif");
		index_03_over = newImage("images/index_03-over.gif");
		index_04_over = newImage("images/index_04-over.gif");
		index_05_over = newImage("images/index_05-over.gif");
		index_06_over = newImage("images/index_06-over.gif");
		index_07_over = newImage("images/index_07-over.gif");
		index_08_over = newImage("images/index_08-over.gif");
		index_09_over = newImage("images/index_09-over.gif");
		index_10_over = newImage("images/index_10-over.gif");
		index_11_over = newImage("images/index_11-over.gif");
		index_12_over = newImage("images/index_12-over.gif");
		index_13_over = newImage("images/index_13-over.gif");
		preloadFlag = true;
	}
}
function isValidEmail(strEmail)
{
	validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
//strEmail = document.form1.email.value;

	if (strEmail.search(validRegExp) == -1) 
	{
	return false;
	}
}

function submitForm() {
		chosen = "";
		len = window.document.mailingList.age.length;

		for (i = 0; i <len; i++) {
			if (window.document.mailingList.age[i].checked) {
				chosen = window.document.mailingList.age[i].value;
			}
		}

		if (chosen == "") {
			alert('Please select your age range');
			return false;
		}
		chosen2 = "";
		len2 = window.document.mailingList.gender.length;

		for (i = 0; i <len2; i++) {
			if (window.document.mailingList.gender[i].checked) {
				chosen2 = window.document.mailingList.gender[i].value;
			}
		}

		if (chosen2 == "") {
			alert('Please select your gender');
			return false;
		}


	if (isValidEmail(window.document.mailingList.email.value) == false){
		alert('Missing/Invalid E-mail Address');
		return false;
	} else if (isValidEmail(window.document.mailingList.v_email.value) == false){
		alert('Missing/Invalid verification E-mail address');
		return false;
	} else if (window.document.mailingList.email.value != window.document.mailingList.v_email.value){
		alert('Your E-mail addresses do not match');
		return false;
	}  else if (window.document.mailingList.zip.value ==""){
		alert('Please enter your zip code');
		return false;
	}  else if (window.document.mailingList.comments.value == ""){
		alert('Please specifically describe your inquiry');
		return false;
	} else {
		return true;
	}
}