function init()
{
	if(document.getElementById("search_what"))
	{
		bindAssistant("search_what", "div_what_assistant", "../js/cache/what/");
	}
	
	/*
	* close all sub-menus if the mouse is out
	*/
	var el = document.getElementById("td_main");
	var type = "mouseover";
	var handle = closeAllSubMenus;
	
	if(el.addEventListener)
	{
		el.addEventListener(type, handle, false);
	} else if(el.attachEvent)
	{
		el.attachEvent("on" + type, handle);
	}
}