控制弹出页面大小,显示标记,按ctrl+enter发送,插入dropdownlist

控制弹出页面大小:
function openScript(url, width, height)
{ var Win = window.open(url,"openScript",'width=' + width + ',height=' + height + ',resizable=no,scrollbars=no,menubar=no,status=yes' );
}

显示标记:
Server.HtmlEncode("<h>sd</h>");

按ctrl+enter发送:
ie = (document.all)? true:false
if (ie){
    function ctlent(eventobject)
   {
           if(event.ctrlKey && window.event.keyCode==13)
           {
               this.document.xxx.submit();
           }
   }
}
xxx代表form的id

插入dropdownlist:
ListItem item=new ListItem("无","");
gdrop.Items.Add (item);
gdrop.Items.Insert (0,item);