//验证邮箱登陆
function check_Post()
{
	var AlertInput = "请输入:\n\n";	
	var mesg = "";
	if(document.form2.keyword.value == "") mesg += "产品关键字";
	if(mesg != "")
	{
		mesg = AlertInput + mesg;
		alert(mesg);
		return false;
	}
	
                                 
	document.form2.action = "search.php";
	document.form2.submit();
}