timer = 0;

browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

  if (browser_name == "Netscape" && browser_version >= 3.0) { roll = true; }
  else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = true; }
  else { roll = false; }

  hiButtons = new Array;
  loButtons = new Array;
  hiButtons["chamimg"] = "/images/ushki/clock.gif";
  loButtons["chamimg"] = "/images/ushki/clock-gray.gif";
  hiButtons["calimg"] = "/images/ushki/calendar.gif";
  loButtons["calimg"] = "/images/ushki/calendar-gray.gif";
  hiButtons["deskimg"] = "/images/ushki/icons.gif";
  loButtons["deskimg"] = "/images/ushki/icons-gray.gif";
  hiButtons["wallimg"] = "/images/ushki/wall.gif";
  loButtons["wallimg"] = "/images/ushki/wall-gray.gif";

  hiButtons["downloadimg"] = "/images/btn_download_hi.gif";
  loButtons["downloadimg"] = "/images/btn_download.gif";
  hiButtons["buyimg"] = "/images/btn_buy_hi.gif";
  loButtons["buyimg"] = "/images/btn_buy.gif";
  hiButtons["designimg"] = "/images/btn_design_hi.gif";
  loButtons["designimg"] = "/images/btn_design.gif";
  hiButtons["supportimg"] = "/images/btn_support_hi.gif";
  loButtons["supportimg"] = "/images/btn_support.gif";


  function hiImg(imgID) { 
    if (roll) {
  	  clearTimeout(timer);
      for (i in hiButtons) {
	    if (i == imgID) 
		  { document.images[i].src = hiButtons[i] }
		else
   		  { document.images[i].src = loButtons[i] }
	  }  
	}	  
  } 
  
  function hideall_time() {
    for (i in hiButtons) document.images[i].src = loButtons[i];
  }

  function hideall()
  {timer=setTimeout("hideall_time()", 100);}
  
  if (roll)
  { a1=new Image;a1.src="/images/ushki/clock.gif";
    a2=new Image;a2.src="/images/ushki/calendar.gif";
    a25=new Image;a25.src="/images/ushki/icons.gif";
    a26=new Image;a26.src="/images/ushki/wall.gif";
  }