function validate_required(field,alerttxt)
{
    var error = "";
    var stripped = field.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (field.value == "") {
    $("input#mobileNumber").css('color','#FF0000');
	$("input#mobileNumber").val('Enter a Valid Number');
	return false;
    } else if (isNaN(parseInt(stripped))) {
    $("input#mobileNumber").css('color','#FF0000');
	$("input#mobileNumber").val('Enter a Valid Number');
	return false;
    } else if (!(stripped.length == 10)) {
    $("input#mobileNumber").css('color','#FF0000');
	$("input#mobileNumber").val('Enter a Valid Number');
	return false;
    }
    return true;
}
function clearFocus()
{
	$("input#mobileNumber").css('color','#000000');
	$("input#mobileNumber").val('');
}
function validate_form(thisform)
{
with (thisform)
  {
  if (validate_required(mobileNumber,"Invalid Phone Number")==false)
  {return false;}
  }
}