function checkEmail(fld)
 {
  inputValue = fld.value;
  var ri = /^[\w\-\.]+@[\w\-\.]+\.[\w]{2,}$/;
  return (!ri.test(inputValue))
 }

 function CheckForm (theForm)
 {
  var errmsg = "The following error(s) occured while trying to process the form:\n";
  errmsg += "__________________________________________________\n\n";
  var badmail = " is not valid e-mail address.\n";
  var passed = true;
   if (theForm.name.value.length == 0) 
   { 
    passed = false;
    errmsg += "You need to enter your Name.\n";
   }
   if (theForm.phone.value.length == 0) 
   { 
    prosao = false;
    errmsg += "You need to enter your Telephone Number.\n";
   }		   
   if (theForm.email.value.length == 0)
   { 
    passed = false;
    errmsg += "You need to enter your e-mail address.\n";
   }
   else
   {
	if (checkEmail(theForm.email))
	{
	 passed = false;
	 errmsg += theForm.email.value + badmail
	}
    }
		
   if (passed == false) {alert (errmsg) }
   return(passed); 
}