function validate_required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}

function validate_form(thisform)
{
with (thisform)
  {
  if (validate_required(ila_number,"ILA account number required.")==false)
  {email.focus();return false;}
  }
}

 function onLoadILA() {
select_value = document.ilaform.payment.value;
 var id = 'ila_number';
 var obj = '';
 obj = (document.getElementById) ? document.getElementById(id) : ((document.all) ? document.all[id] : ((document.layers) ? document.layers[id] : false));
	 
	  obj.style.visibility = 'hidden';
	  
	  var label = 'ila_number-label';
 var obj = '';
 obj = (document.getElementById) ? document.getElementById(label) : ((document.all) ? document.all[label] : ((document.layers) ? document.layers[label] : false));
	 
	  obj.style.visibility = 'hidden';
	  
 }
 function UpdateSelect()
 {
 select_value = document.ilaform.payment.value;
 var id = 'ila_number';
 var obj = '';
 obj = (document.getElementById) ? document.getElementById(id) : ((document.all) ? document.all[id] : ((document.layers) ? document.layers[id] : false));
 
     if( select_value != "ila")
    {
        obj.style.visibility = 'hidden';
    }
    else
    {
        obj.style.visibility = 'visible';
		validate_form(document.ilaform);
    }
 
 var label = 'ila_number-label';
 var obj = '';
 obj = (document.getElementById) ? document.getElementById(label) : ((document.all) ? document.all[label] : ((document.layers) ? document.layers[label] : false));

    if( select_value != "ila")
    {
        obj.style.visibility = 'hidden';
    }
    else
    {
        obj.style.visibility = 'visible';
    }

 }