function zval(source)
{
	var vv = document.forms["ff"].elements["zipCode"].value;
	var zipstring = /(^\d{5}$)|(^\d{5}-\d{4}$)/;

	if (zipstring.test(vv))
		{
		if (window.XMLHttpRequest) { xmlHttp=new XMLHttpRequest(); }
		else { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }
		var url="http://www.carinsurancequotes.com/getvendor.php?zip=" + vv;
		xmlHttp.open("GET",url,false);
		xmlHttp.send(null);
		if (xmlHttp.responseText == "4")
			return validate('ff', source/*, 'www.carinsurancequotes.com'*/);
		//return true;
		}
	alert("Please enter a valid zip code");
	document.forms["ff"].elements["zipCode"].focus();
	return false;
}
function zval_sec()
{
	var vv = document.forms["ff_sec"].elements["zipCode2"].value;
	var it = document.forms["ff_sec"].elements["itype_sec"].value;
	var zipstring = /(^\d{5}$)|(^\d{5}-\d{4}$)/;

	if (it == -1)
		alert("Please select the type of insurance that you are looking for");
	else if (zipstring.test(vv))
		{
		if (window.XMLHttpRequest) { xmlHttp=new XMLHttpRequest(); }
		else { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }
		var url="http://www.carinsurancequotes.com/getvendor.php?zip=" + vv;
		xmlHttp.open("GET",url,false);
		xmlHttp.send(null);
		if (xmlHttp.responseText == "4" && it == "auto")
			{
			document.forms["ff_sec"].action = "/quotelistings"; 
			document.forms["ff_sec"].method = "GET";
			return validate("ff_sec", "internal"/*, "www.carinsurancequotes.com"*/);
			}
		else if (xmlHttp.responseText == "4")
			return true;
		}
	alert("Please enter a valid zip code");
	document.forms["ff_sec"].elements["zipCode"].focus();
	return false;
}
function trim(sString) {
	while (sString.substring(0,1) == ' ') sString = sString.substring(1, sString.length);
	while (sString.substring(sString.length-1, sString.length) == ' ') sString = sString.substring(0,sString.length-1);
	return sString;
}


function isTrimEmpty(elem, helperMsg) {
	var fieldval = trim(elem.value);
	if (fieldval.length == 0) {
		if (helperMsg) alert(helperMsg);
		elem.focus();
		return true;
	}
	return false;
}

function isVersion(elem, helperMsg){
                          
	var versionLegal = /^((\d+(\.\d*)+)|((\d*\.)+\d+))$/
	if(elem.value.match(versionLegal)) {
		return true;
	} else {
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isEmpty(elem, helperMsg) {
	if (elem.value.length == 0) {
		if (helperMsg) alert(helperMsg);
		elem.focus();
		return true;
	}
	return false;
}

function isNumeric(elem, helperMsg){
	var numericExpression = /^[0-9]+$/;
	if(elem.value.match(numericExpression)) {
		return true;
	} else {
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphabet(elem, helperMsg){
	var alphaExp = /^[a-zA-Z]+$/;
	if (elem.value.match(alphaExp)) {
		return true;
	} else {
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function isAlphanumeric(elem, helperMsg) {
	var alphaExp = /^[0-9a-zA-Z]+$/;
	if(elem.value.match(alphaExp)) {
		return true;
	} else {
		alert(helperMsg);
		elem.focus();
		return false;
	}
}

function lengthRestriction(elem, min, max) {
	var uInput = elem.value;
	if(uInput.length >= min && uInput.length <= max) {
		return true;
	} else {
		alert("Please enter between " +min+ " and " +max+ " characters");
		elem.focus();
		return false;
	}
}

function madeSelection(elem, helperMsg) {
	if (elem.value == "Please Choose") {
		alert(helperMsg);
		elem.focus();
		return false;
	}
	return true;
}

function emailValidator(elem, helperMsg) {
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if (elem.value.match(emailExp)) {
		return true;
	} else {
		alert(helperMsg);
		elem.focus();
		return false;
	}
}