function sbmtFrmOnEnter(thisEvent) {
 varEmail=document.MainForm.Email.value;
 varPasswd=document.MainForm.password.value;
 var kCode = (navigator.appName == "Netscape") ? thisEvent.which :
 thisEvent.keyCode
 if( (kCode==13) && (varEmail!="") && (varPasswd!="") )
 {
  SubmitForm('Login');
 } 
}
if(document.layers) {
 document.captureEvents(Event.KEYPRESS);
}
function checkFields() {
 if (document.MainForm.Email.value=="") { 
   document.MainForm.Email.focus(); 
 }
 else { 
   document.MainForm.password.focus(); 
 }
}