function onLond(div_name,url)
{
	try{
		$(div_name).innerHTML = "正在加载...";
		var url = url;
		var pars = ''
		var myAjax = new Ajax.Updater(
		div_name,
		url,
		{
		method: 'get',
		parameters: pars,
		evalScripts:true
		});
	}catch(e){
		}
}
function menu_display(title){
	document.frames['head'].display(title);
	}