$(document).ready(function() 
{ 
	
  $('#form1').submit(function() 
  { 
    
   var item = $("input[name='radiobutton'][type='radio']:checked").val();
   var keyword = $('#keyword').val(); 
  
    switch(item)
    {
      case '0':
       var url='http://www.baidu.com/s?bs=%D3%D1%C7%E9%C1%B4%BD%D3&f=8&wd='+keyword+'&ie=utf-8';
       break;
      case '1':
       var url='http://www.google.com.hk/search?q='+keyword+'&ie=utf-8';
       break;
      case '2':
       var url='http://search.cn.yahoo.com/search?p='+keyword+'&ie=utf-8';
       break;
      case '3':
       var url='http://www.youdao.com/search?q='+keyword+'&ie=utf-8';
       break;
      case '4':
       var url='http://www.soso.com/q?pid=s.idx&w='+keyword+'&ie=utf-8';
       break;
      case '5':
       var url='http://www.sogou.com/web?query='+escape(keyword);
       break;
      case '6':
       var url='http://www.bing.com/search?q='+encodeURI(keyword);
       break;
      default:
        var url='http://www.adminlink.net.cn';

    }
    //alert(url);
    window.open(url); 

}); 
})