// JavaScript Document

if (document.images) {               //if image object is available
        sub1on = new Image();           // MouseOver Images
        sub1on.src = "img/boots-button-activ.gif";
        sub2on = new Image();
        sub2on.src = "img/haus-button-activ.gif";
        sub3on = new Image();
        sub3on.src = "img/sege-button-activ.gif";


        sub1off = new Image();           // MouseOver Images
        sub1off.src = "img/boots-button.gif";
        sub2off = new Image();
        sub2off.src = "img/haus-button.gif";
        sub3off = new Image();
        sub3off.src = "img/segel-button.gif";
 }

function subOn(subName) {
if (document.images) {
if (subName == "sub1" ) {
        if (document.images) {
        document.sub1.src = sub1on.src;
        }
   }
   if (subName == "sub2" ) {
        if (document.images) {
        document.sub2.src = sub2on.src;
        }
   }
   if (subName == "sub3" ) {
        if (document.images) {
        document.sub3.src = sub3on.src;
        }
   }
   
 }
}

function subOff(subName) {
if (document.images) {
if (subName == "sub1" ) {
        if (document.images) {
        document.sub1.src = sub1off.src;
        }
   }
   if (subName == "sub2" ) {
        if (document.images) {
        document.sub2.src = sub2off.src;
        }
   }
   if (subName == "sub3" ) {
        if (document.images) {
        document.sub3.src = sub3off.src;
        }
   }
   
 }
}