function fnCheckForm(){ 
  if(document.frmLogin.txtfUName.value == ""){ 
	   alert('Enter User Id');
	   document.frmLogin.txtfUName.focus();      
      return false; 
  }
  if(document.frmLogin.txtfUPasswd.value == ""){ 
	   alert('Enter Password');      
	   document.frmLogin.txtfUPasswd.focus();      
      return false; 		
  } 
  return true;	 	
 }//fnCheckForm

 function fnSubmit(){ 
  if(fnCheckForm() == true){ 
    document.frmLogin.hMode.value="U";   
    document.frmLogin.submit(); 
  } 
 }//fnSubmit
 
 function fnCancel(){
	window.location="main.jsp";
 }

function checkCR(evt) {
    var evt  = (evt) ? evt : ((event) ? event : null);

	if (evt.keyCode == 13) {
		fnSubmit();	
	}
}
document.onkeypress = checkCR;