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

// 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;

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 checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}



function verify() {

	var form=document.getElementById('contact_form');
	
	if ((form.first_name.value=="" || form.first_name.value==" ")) {
		alert("Please enter your First Name");
		form.first_name.focus();
		return false;
		}
		
	if ((form.last_name.value=="" || form.last_name.value==" ")) {
		alert("Please enter your Last Name");
		form.last_name.focus();
		return false;
		}
		
		if ((form.company.value=="" || form.company.value==" ")) {
		alert("Please enter your Company Name");
		form.company.focus();
		return false;
		}
		
		if ((form.address.value=="" || form.address.value==" ")) {
		alert("Please enter your Address");
		form.address.focus();
		return false;
		}
		
		if ((form.city.value=="" || form.city.value==" ")) {
		alert("Please enter your City");
		form.city.focus();
		return false;
		}
		
		if ((form.state.value=="" || form.state.value==" ")) {
		alert("Please enter your State");
		form.state.focus();
		return false;
		}
		
		if ((form.zip.value=="" || form.zip.value==" ")) {
		alert("Please enter your zip code");
		form.zip.focus();
		return false;
		}
		
		if ((form.telephone.value=="" || form.telephone.value==" ")) {
		alert("Please enter your telephone number");
		form.telephone.focus();
		return false;
		}
		
		if ((form.email.value=="" || form.email.value==" ")) {
		alert("Please enter your email address");
		form.email.focus();
		return false;
		}

		
		var Phone=form.telephone.value
	
	if (checkInternationalPhone(form.telephone.value)==false){
		alert("Please Enter a Valid Phone Number")
		form.telephone.value=""
		form.telephone.focus()
		return false
	}
		


	
	return validateEmail();
	
	return true;
}

 



function validateEmail(){
	validRegExp = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
	
	var form=document.getElementById('contact_form');
	strEmail = form.email.value;

	if (strEmail.search(validRegExp) == -1) {
		alert("A valid Email Address is required.\r\Please check you have entered yours correctly.");
		form.email.focus();
		return false;
		} 
}