// JavaScript Document
function login_validation()
{
  var username=document.login.username.value;
  if(username=="")
  {alert("Please enter Username");document.login.username.focus();return false;}
  
  var password=document.login.password.value;
  if(password=="")
  {alert("Please enter Password");document.login.password.focus();return false;}

  var type_contractor=document.login.type[0].checked;
  var type_subcontractor=document.login.type[1].checked;
  if( (type_contractor==false) && (type_subcontractor==false) )
  {alert("Please choose Member type");return false;}

  return true;
}