browserName = navigator.appName;
browserVer  = parseInt( navigator.appVersion);

if ( (browserName == "Netscape" && browserVer >= 3) || browserVer >=4 ) version = "ns_new";
else version = "ns_old";

if ( version == "ns_new") {

m1over=new Image();
m1over.src="pic/button_de_01_on.jpg";

m2over=new Image();
m2over.src="pic/button_de_02_on.jpg";

m3over=new Image();
m3over.src="pic/button_de_03_on.jpg";

m4over=new Image();
m4over.src="pic/button_de_04_on.jpg";

m5over=new Image();
m5over.src="pic/hu_2_on.jpg";

m6over=new Image();
m6over.src="pic/en_2_on.jpg";

m7over=new Image();
m7over.src="pic/de_2_on.jpg";

m8over=new Image();
m8over.src="pic/hu_1_on.jpg";

m9over=new Image();
m9over.src="pic/en_1_on.jpg";

m10over=new Image();
m10over.src="pic/de_1_on.jpg";

m1out=new Image();
m1out.src="pic/button_de_01_off.jpg";

m2out=new Image();
m2out.src="pic/button_de_02_off.jpg";

m3out=new Image();
m3out.src="pic/button_de_03_off.jpg";

m4out=new Image();
m4out.src="pic/button_de_04_off.jpg";

m5out=new Image();
m5out.src="pic/hu_2_off.jpg";

m6out=new Image();
m6out.src="pic/en_2_off.jpg";

m7out=new Image();
m7out.src="pic/de_2_off.jpg";

m8out=new Image();
m8out.src="pic/hu_1_off.jpg";

m9out=new Image();
m9out.src="pic/en_1_off.jpg";

m10out=new Image();
m10out.src="pic/de_1_off.jpg";}

        function selectMenu( menuName ) {
                if ( version == "ns_new") {
                        menuOn = eval(menuName + "over.src");
                        document [menuName].src = menuOn;
                }
        }

        function deselectMenu( menuName ) {
                if ( version == "ns_new") {
                        menuOff = eval(menuName + "out.src");
                        document [menuName].src = menuOff;
                }
        }