document.getElementById("key").focus();
var _ss=function(fac){
	var key=document.getElementById("key").value;
	var url="www.baidu.com/s";
	document.form.wd.value=key;
	document.form.ie.value="utf-8";
	switch(fac.id){
		case "google":url="www.google.cn/search";document.form.q.value=key;break;
		case "yahoo":url="search.cn.yahoo.com/search";document.form.p.value=key;break;
		case "sogou":url="www.sogou.com/web";document.form.query.value=key;document.form.ie.value="utf8";break;
		case "yodao":url="www.yodao.com/search";document.form.q.value=key;break;
	}
	document.form.action="http://"+url;
	document.form.submit();
	document.getElementById(_getcookie("SOUSUO")).style.color="";
	document.getElementById(fac.id).style.color="#000";
	_setcookie("SOUSUO",""+fac.id+"",315360000);
}