function ColoseK()
    {
   
        if(document.getElementById("LabCode").innerText=="关闭")
        {
           document.getElementById("cat_content").style.display = "none";

           document.getElementById("LabCode").innerText = "打开";
            
         }
         else         
         {
           document.getElementById("cat_content").style.display = "";
           document.getElementById("LabCode").innerText="关闭";
          
         }   
       
       
    }