var button0 = new Array();
var button1 = new Array();
var klickbutton = "";
flag=0;
var num_loaded_images=0;

function count_images() { if (++num_loaded_images == document.images.length) flag=1; }

function bilder_laden()
{
        for (var i=0; i<document.images.length; i++)
        {

                if (document.images[i].src.indexOf('button_') > -1)
                {
                        button0[document.images[i].name] = new Image(document.images[i].width, document.images[i].height);
                        button0[document.images[i].name].onload=count_images;
                        button0[document.images[i].name].src = document.images[i].src.substring(0,document.images[i].src.lastIndexOf("_0.gif"))+"_0.gif";
                        button1[document.images[i].name] = new Image(document.images[i].width, document.images[i].height);
                        button1[document.images[i].name].onload=count_images;
                        button1[document.images[i].name].src = document.images[i].src.substring(0,document.images[i].src.lastIndexOf("_0.gif"))+"_1.gif";
                }
        }
}

function aktiv(buttonname)
{
        if (buttonname != klickbutton)
        {
                if (flag==1) document.images[buttonname].src=button1[buttonname].src;
        window.status=((buttonname == klickbutton) ? "||| " : "> ")+buttonname;
        return true;
        }

}

function passiv(buttonname)
{
        if (buttonname != klickbutton)
        {
                if (flag==1) document.images[buttonname].src=button0[buttonname].src;

        }
        return true;
}


function klick(buttonname)
{
        if (flag==1)
        {
                for (var i=0; i<document.images.length; i++)
                {
                        if (document.images[i].src.indexOf('button_') > -1) document.images[i].src = button0[document.images[i].name].src;
                }
                document.images[buttonname].src=button1[buttonname].src;
                klickbutton=buttonname;
                window.status="||| "+buttonname;
                return true;
        }
}



 function goto_language() {
           var selectedIndex = document.form1.menu1.selectedIndex;
           if (selectedIndex > 0) {
               var selection = document.form1.menu1.options[selectedIndex].value;
               parent.parent.parent.location=selection;
           }
       }





function NavAendern (URI, Framename) {
  parent[Framename].location.href = URI;
}