function ShowNetwork(id){
  window.open("shownet.asp?S="+id,"OrderOnline","width=550,height=400,scrollbars=yes");
}
function checkSearchForm(myform){
   if(myform.w.value==""){
     alert("对不起，请输入搜索关键字!");
     myform.w.focus();
     return false;
   }
   return true;
}

function showbag()
  {

var sheight;
var swidth;
var stop;
var sleft;
sheight=350;
swidth=550;
stop=(screen.height-sheight)/2;
sleft=(screen.width-swidth)/2;
window.open("mybag.asp","newwindow","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,top="+stop+",left="+sleft+",width="+swidth+",height="+sheight);
  }