function ValidateForm(f)
{
with (f)
  {
  if (Email.value==null||Email.value==""||CompanyName.value==null||CompanyName.value==""||FirstName.value==null||FirstName.value==""||LastName.value==null||LastName.value=="")
  {
    alert("Please Fill All Required Fields!");
    CompanyName.focus();
    return false;
  }
  
  return ValidateEmail(Email);
  }
}



function ValidateEmail(field)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert("Please Provide a Valid Email Address");return false;}
  else {return true;}
  }
}