// JavaScript Document
function checkform(rfq)
{
var error = "";
if (rfq.email.value == "")
{
error += "Please include an email address.\n";
} 
else
{
error += echeck(rfq.email.value);
}
if (rfq.contact.value =='')
{
error += "Please enter a contact name\n";
}
error+= checkPhone(rfq.phone.value);
if (rfq.sitetype.value =='0')
{
error += "Please select a website type\n";
}
if (rfq.budget.value =='0')
{
error += "Please indicate an expected budget\n";
}

if(error != "")
{
alert(error);
return false;
}
else
{
return true;
}
}

function newsCheck(email)
{
	var error = "";
	error += echeck(email.news_email.value);
	if(error != ""){
		alert(error);
		return false;
	}
	else
		return true;
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return "Please verify that your email address is valid.\n";
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return "Please verify that your email address is valid.\n";
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return "Please verify that your email address is valid.\n";
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return "Please verify that your email address is valid.\n";
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return "Please verify that your email address is valid.\n";
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return "Please verify that your email address is valid.\n";
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return "Please verify that your email address is valid.\n";
		 }

 		 return '';					
	}
//DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkPhone(strPhone){
// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return "Please enter a phone number\n"
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return "Please enter a phone number\n"
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return "Please enter a phone number\n"
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return "Please enter a phone number\n"
s=stripCharsInBag(strPhone,validWorldPhoneChars);
if(isInteger(s) && s.length >= minDigitsInIPhoneNumber)
	return '';
else
	return "Please enter a phone number\n";
}