function validate_email(stremail,alerttxt)
{

apos=frm1.stremail.value.indexOf("@");
dotpos=frm1.stremail.value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {
  alert('Not valid email address!');
  return false;
  }
else {
	return true;
	}
}


function validate_form(){

if (validate_email(frm1.stremail.value,"Not a valid e-mail address!")==false){
	frm1.stremail.focus();
	return false;
	}
	else {
		return true;
		}
}