function checkStatus() {

 for (i = 0; i < document.regForm.length; i++) {
   if ((document.regForm[i].className == "req" || document.regForm[i].className == "error") && document.regForm[i].value == "") {
    document.regForm[i].className = "error"; }
   if (document.regForm[i].className == "error" && document.regForm[i].value != "") {
    document.regForm[i].className = "req"; }
  }

//end function
}

function validate() {  

 //add js listener
 var ourInterval = setInterval("checkStatus()", 100);
 
 var validated = true;
 
 for (i = 0; i < document.regForm.length; i++) {
   if ((document.regForm[i].className == "req" || document.regForm[i].className == "error") && document.regForm[i].value == "") {
    document.regForm[i].className = "error";
	validated = false; }
   if (document.regForm[i].className == "error" && document.regForm[i].value != "") {
    document.regForm[i].className = "req"; }
  }
     
  if (validated == false) {
   alert("Please fill in all the requiered fields.");
   return false;
  } else {
   return true;
  }
//end function
}