$(document).ready(function () {

	$('#serch_form').submit(function(){

		var keywords = $('#keywords').val();
		if(keywords.match(/^\s*$/)){ 
	        layer.alert('请输入您要查询的内容!',{'title':'信息有误'}); 
	        $('#keywords').focus();
	        return false;   
	    }

		var url = ROOT+"/Search/index";

		$(this).attr('action',url);

	});

});