function validate(){
	
	var behalf = document.contact.behalf.value;
	var fname = document.contact.fname.value;
	var lname = document.contact.lname.value;
	var email = document.contact.email.value;
	var phoneNumberDelimiters = "()- ";
	var validWorldPhoneChars = phoneNumberDelimiters + "+";
	var minDigitsInIPhoneNumber = 10;
	var addr = document.contact.addr.value;
	var city = document.contact.city.value;
	var state = document.contact.state.value;
	var zip = document.contact.zip.value;
	var home_value = document.contact.home_value.value;
	var loan = document.contact.loan.value;
	var age = document.contact.age.value;

	if(behalf == ""){
	alert('Please enter on behalf of');
	document.contact.behalf.focus();
	return false;
	}
	
	if(fname == ""){
	alert('Please enter a first name');
	document.contact.fname.focus();
	return false;
	}
	
	if(lname == ""){
	alert('Please enter a last name');
	document.contact.lname.focus();
	return false;
	}
	
	if(-1 == email.indexOf("@")){
	alert('Please enter a valid email');
	document.contact.email.focus();
	return false;
	}

	var Phone=document.contact.phone; 
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}

	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	
	if(addr == ""){
	alert('Please enter a property address');
	document.contact.addr.focus();
	return false;
	}
	
	if(city == ""){
	alert('Please enter a city');
	document.contact.city.focus();
	return false;
	}
	
	if(state == ""){
	alert('Please enter a state');
	document.contact.state.focus();
	return false;
	}
	
	if(zip == ""){
	alert('Please enter a zip code');
	document.contact.zip.focus();
	return false;
	}
	
	if(home_value == ""){
	alert('Please enter a home_value');
	document.contact.home_value.focus();
	return false;
	}
	
	if(loan == ""){
	alert('Please enter a loan balance');
	document.contact.loan.focus();
	return false;
	}
	
	if(age == ""){
	alert('Please enter an age');
	document.contact.age.focus();
	return false;
	}

}

var digits = "0123456789";
var phoneNumberDelimiters = "()- ";
var validWorldPhoneChars = phoneNumberDelimiters + "+";
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);
}