function copyThis (idText)
{
   if(document.getElementById(idText))
   {
     var txt=document.getElementById(idText).value;
     document.getElementById(idText).select();
     if (window.clipboardData)
     {
         window.clipboardData.setData("Text", txt);
     }
     else if (window.netscape)
     {
        
        try
        {
         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
         var clip = Components.classes['@mozilla.org/widget/clipboard;1']
                   .createInstance(Components.interfaces.nsIClipboard);
          if (!clip) return;
         var trans = Components.classes['@mozilla.org/widget/transferable;1']
                    .createInstance(Components.interfaces.nsITransferable);
         if (!trans) return;
         trans.addDataFlavor('text/unicode');
          var str = new Object();
         var len = new Object();
         var str = Components.classes["@mozilla.org/supports-string;1"]
                  .createInstance(Components.interfaces.nsISupportsString);
         var copytext=txt;
         str.data=copytext;
         trans.setTransferData("text/unicode",str,copytext.length*2);
         var clipid=Components.interfaces.nsIClipboard;
         if (!clip) return false;
         clip.setData(trans,null,clipid.kGlobalClipboard);
        }
        catch (err)
        {
            alert(err);
        }
     }
   }  
  
}