function validContactForm()
{
  var frstnm=document.getElementById('txtFirstName').value;
  var lstnm=document.getElementById('txtLastName').value;
  var email=document.getElementById('txtEmail').value;
  var eid=/^[.a-zA-Z0-9_]*@[a-zA-Z0-9]{1,10}[.a-zA-Z0-9]{1,8}[.a-zA-Z0-9]{1,5}[.a-zA-Z0-9]{1,5}$/;
  var phone1=document.getElementById('txtphone1').value;
  var phone2=document.getElementById('txtphone2').value;
  var phone3=document.getElementById('txtphone3').value;
  var isPhone=/^[0-9]+$/;
  var isAlphabet=/^[a-zA-Z\s]+$/;
  var msg="The following error(s) occured:\n\n";
  
  //VALIDATION CHECK 'YOUR CONTACT INFORMATION '
   if (frstnm=="")
   {
    msg +="First name Required" + "\n";
   }
   else if (isAlphabet.test(frstnm)==false)
   {
   msg +="Valid First name Required" + "\n";
   }
   if (lstnm=="")
   {
   msg +="Last name Required" + "\n";
   }
   else if (isAlphabet.test(lstnm)==false)
   {
   msg +="Valid Last name Required" + "\n";
   }
   if(eid.test(email) == false)
   {
   msg +="Valid Email Required" + "\n";
   }
   
   if(msg !="The following error(s) occured:\n\n")
   {
    alert(msg)
    return false;
   }
  return true;
}