function hello()
{

}

function $(id)
{
	return document.getElementById(id);
}

function $N(name)
{
	return document.getElementsByName(name);
}

function gid(id){return document.getElementById?document.getElementById(id):null;}

function StrCode(str){if(encodeURIComponent) return encodeURIComponent(str);if(escape) return escape(str);}
function UnStrCode(str){if(decodeURIComponent ) return decodeURIComponent (str);if(unescape) return unescape(str);}

 search_id       = 'q';
 search_hint_msg = '输入关键字：海淀 湘菜' ; 
function search_hint_fill()
{
	if($(search_id).value=='')
	{
		$(search_id).value=search_hint_msg;
	}
}

function search_hint_clear()
{
	if($(search_id).value==search_hint_msg)
	{
		$(search_id).value='';
	}
}