var previousWindow      = "";
var previousImage       = "";
var previousFile        = "";
var version = null;

if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 3)
        {       version = "ns3";}
else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 4)
        {       version = "ns4";}
else if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,4) == 2.0)
        {       version = "ie3";}
else if (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4)
        {       version = "ie4";}
		
//=======================================================================================================		
		
function highlight(imgID,imageName,bTgl)
{
        if (version == "ns3" || version == "ns4" || version == "ie4")
        {
                if (bTgl)
                        {
                        document.images[imgID].src = eval("_" + imageName + ".src");
        //                              var soundTest = document.DING;
        //                              if (soundTest != null)
        //                                      document.DING.play(false);
                        }
                 else                   
                {       document.images[imgID].src = eval(imageName + ".src"); }

        }
}


if (version == "ns3" || version == "ns4" || version == "ie4")
{

menu1 = new Image(25,23);
menu1.src ="images/menu_i.gif";
_menu1 = new Image(25,23);
_menu1.src ="images/menu_i_.gif";

menu2 = new Image(25,23);
menu2.src ="images/menu_i.gif";
_menu2 = new Image(25,23);
_menu2.src ="images/menu_i_.gif";

menu3 = new Image(25,23);
menu3.src ="images/menu_i.gif";
_menu3 = new Image(25,23);
_menu3.src ="images/menu_i_.gif";

menu4 = new Image(25,23);
menu4.src ="images/menu_i.gif";
_menu4 = new Image(25,23);
_menu4.src ="images/menu_i_.gif";

menu5 = new Image(25,23);
menu5.src ="images/menu_i.gif";
_menu5 = new Image(25,23);
_menu5.src ="images/menu_i_.gif";

menu6 = new Image(25,23);
menu6.src ="images/menu_i.gif";
_menu6 = new Image(25,23);
_menu6.src ="images/menu_i_.gif";

menu7 = new Image(25,23);
menu7.src ="images/menu_i.gif";
_menu7 = new Image(25,23);
_menu7.src ="images/menu_i_.gif";
}

function loadPage (szNewURL, szTitle)
{
  parent.right.window.location.href=szNewURL;
  parent.left_up1.window.location.href=szTitle;
}