var i=1;
function changePic(i){
	if(i=="1"){
		document.getElementById("searchpic").src="http://www.538100.cn/images/google.jpg";
	}
	if(i=="2"){
		document.getElementById("searchpic").src="http://www.538100.cn/images/baidu.jpg";
	}
	if(i=="3"){
		document.getElementById("searchpic").src="http://www.538100.cn/images/taobao.jpg";
	}
	if(i=="4"){
		document.getElementById("searchpic").src="http://www.538100.cn/images/538100CN.jpg";
	}
}