//  --------------------------------------------------------------------------
//  07142001-204534-exponentWED-codeNCI
//  NETGATE COMMUNICATIONS, INC.
//  corporate@netgate.com.ph
//  Manila, Philippines
//  Copyright 2001
//  All Rights Reserved
//  -------------------------------------------------------------------------- 
function checkmate (){
  if (document.exponent.lastname.value.length ==0){
    alert("Please enter your last name.");
    return false;
  }
  if (document.exponent.firstname.value.length ==0){
    alert("Please enter your first name.");
    return false;
  }
  if (document.exponent.address.value.length ==0){
    alert("Please enter your address.");
    return false;
  }
  if (document.exponent.email.value.length ==0){
    alert("Please enter your email.");
    return false;
  }
  if (document.exponent.email.value.length >0){
    i=document.exponent.email.value.indexOf("@");
    j=document.exponent.email.value.indexOf(".",i);
    k=document.exponent.email.value.indexOf(",");
    kk=document.exponent.email.value.indexOf(" ");
    jj=document.exponent.email.value.lastIndexOf(".")+1;
    len=document.exponent.email.value.length;
    if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)){}
    else{
      alert("Please enter a valid email address." + document.exponent.email.value + " is invalid.");
      return false;
    }
  }
  if (document.exponent.describe.value.length ==0){
    alert("Please describe your inquiry.");
    return false;
  }
  exponent.submit();
}