// This function verifies that a qty value is a positive integer value.
function checkQty(field) {
	if(!isInteger(field.value)) {
		alert("Not a valid quantity.  Please enter a positive integer value.");
		field.focus();
		return false;
	}
	return true;
}
function isInteger(value) {
	if(value=="" || value==null) {
		return false;
	}
	for (var i = 0; i < value.length; i++) {
		var c = value.charAt(i);
		if (!((c >= "0") && (c <= "9"))) {
			return false;
		}
	}
	return true;
}
function isZip(zip) {
	code = zip.value;
	if(!(isInteger(code) && code.length==5)) {
		alert("Not a valid zip code.  Please enter a 5-digit zip code.");
		zip.focus();
		return false;
	}
	return true;
}
function checkCheckOut(form) {
	var name = form.name;
	if( name=="" || name==null) {
		alert("Please enter your full name.");
		name.focus();
		return false;
	}
	return true;
	






}