function onLeftMenu(a,b,c)
{
   var n=1;

   if (a==1) 
   {
      if (b>3) n=2;
      if (b>6) n=3;
      if (b>9) n=4;
      document.getElementById('lm_td'+b).style.backgroundImage = "url(images/leftmenu_p"+n+"_on.jpg)";
      document.getElementById('lm_fn'+b).style.color = "#FFFFFF";
      //document.title = a+" - "+b;
   }

   if (a==0) 
   {
      if (b>3) n=2;
      if (b>6) n=3;
      if (b>9) n=4;
      document.getElementById('lm_td'+b).style.backgroundImage = "url(images/leftmenu_p"+n+"_off.jpg)";
      document.getElementById('lm_fn'+b).style.color = "#"+c;
   }
}