// JavaScript Document

var ie4 = false; if(document.all) { ie4 = true; }

function getObject(id) {
	if(ie4){
		return document.all[id]
	}
	else{
    	return document.getElementById(id);
	}
}
  
function hide(divId) {
	var d = getObject(divId);
	d.style.display = 'none';
}

function show(divId) {
	var d = getObject(divId);
	d.style.display = 'block';
}

function validate_string(field){
  if ( field.value == '' ){
    alert("You must enter a value into this field.");
    field.focus();
    field.select();
    return false;
  }
  return true;
}