function do_command_img(module,params,have_path){

         var img_handle = new Image();
         var seed = Math.random();
         var cmds_path = 0;
         
         if(have_path){
            cmds_path = have_path + params +'&rndseed=' + seed;
         }
         else{
            cmds_path = do_link(module,'cmds','x=1');
            cmds_path += params + '&rndseed=' + seed;
         }

         img_handle.width = 0;

         // document.write(cmds_path);
         // document.location = cmds_path;
         img_handle.src = cmds_path;
}

function close_win(msg){
	if(msg){
		window.opener.alert(msg);
	}
	window.self.close();
}