// JavaScript Document


function validateForm(contact)
{

  
  var str=document.contact.email.value;
  var regex = /^(\w+(?:\.\w+)*)@((?:\w+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
  if (contact.name.value == "") 
  {
    alert( "Please enter your Name." );
    contact.name.focus();
    return false ;
  }

   else   if (contact.address.value == "") 
  {
    alert( "Please enter your Address." );
    contact.address.focus();
    return false ;
  }
  else if(!regex.test(str))
  {
    alert( "Please enter your valid Email address." );
    contact.email.focus();
    return false ;
  }
   else if(!isValidPhoneNumber(contact.phone.value))
		{
			alert( "Enter the Phone Number(please enter only numbers!)" );
			contact.phone.focus();
			return false;
		}	
	
   else if (contact.information.value == "") 
  {
    alert( "Please enter your your information." );
    contact.information.focus();
    return false ;
  }
   
 }
 function isValidPhoneNumber(TheNumber) 
	{
		var valid = 1
		var GoodChars = "0123456789()-+ "
		var i = 0
		if (TheNumber=="") {
			// Return false if number is empty
			valid = 0
		}
		for (i =0; i <= TheNumber.length -1; i++) {
			if (GoodChars.indexOf(TheNumber.charAt(i)) == -1) {
				valid = 0
			} // End if statement
		} // End for loop
		return valid
	}	
function IsEmail(oObject) {
	var emailStr=oObject;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid. Please check or register fresh");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}
	var domainArray=domain.match(domainPat);
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid.");
		return false;
	}
	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>4) {
		alert("The address must end in a three-letter domain, or two letter country.");
		return false;
	}
	if (len<2) {
		var errStr="This address is missing a hostname!";
		alert(errStr);
		return false;
	}
	return true;
}