// PRELOADING IMAGES
    if (document.images) {
     img1_on =new Image(); img1_on.src ="images/mouse_on/home.jpg";
     img1_off=new Image(); img1_off.src ="images/mouse_off/home.gif"; 
     img2_on =new Image(); img2_on.src ="images/mouse_on/schilderingen.gif";
     img2_off=new Image(); img2_off.src ="images/mouse_off/schilderingen.gif";
     img3_on =new Image(); img3_on.src ="images/mouse_off/illustraties.gif";
     img3_off=new Image(); img3_off.src ="images/mouse_off/illustraties.gif";     
     img4_on =new Image(); img4_on.src ="images/mouse_on/illustraties.jpg";
     img4_off=new Image(); img4_off.src ="images/spacer.gif";
     img5_on =new Image(); img5_on.src ="images/mouse_on/home.jpg";     
     img5_off=new Image(); img5_off.src ="images/active/home.jpg";   
     img6_on =new Image(); img6_on.src ="images/mouse_on/schetsen.gif";     
     img6_off=new Image(); img6_off.src ="images/mouse_off/schetsen.gif";
     img7_on =new Image(); img7_on.src ="images/mouse_on/anders.gif";     
     img7_off=new Image(); img7_off.src ="images/mouse_off/anders.gif";   
     img8_on =new Image(); img8_on.src ="images/mouse_on/contact.gif";     
     img8_off=new Image(); img8_off.src ="images/mouse_off/contact.gif";    
     img9_on =new Image(); img9_on.src ="images/mouse_on/schilderingen.gif";     
     img9_off=new Image(); img9_off.src ="images/active/schilderingen.gif";     
     img10_on =new Image(); img10_on.src ="images/mouse_off/illustraties.gif";     
     img10_off=new Image(); img10_off.src ="images/active/illustraties.gif"; 
     img11_on =new Image(); img11_on.src ="images/mouse_on/illustraties3.jpg";
     img11_off=new Image(); img11_off.src ="images/mouse_off/illustraties.jpg";         
     img12_on =new Image(); img12_on.src ="images/mouse_on/illustraties4.jpg";
     img12_off=new Image(); img12_off.src ="images/spacer.gif";       
     img13_on =new Image(); img13_on.src ="images/mouse_on/schetsen2.gif";
     img13_off=new Image(); img13_off.src ="images/mouse_off/schetsen.gif";   
     img14_on =new Image(); img14_on.src ="images/mouse_on/illustraties_schetsen.jpg";
     img14_off=new Image(); img14_off.src ="images/spacer.gif";     
    }
    
    function movr(k) {
     if (document.images)
      eval('document.img'+k+'.src=img'+k+'_on.src');
    }
    
    function mout(k) {
     if (document.images)
      eval('document.img'+k+'.src=img'+k+'_off.src');
    }
    
    function movr_multiple(imgName,imgName2,imgName3,imgName4)
     {
       if (document.images)
        {
          imgOn=eval(imgName + "_on.src");
          document[imgName].src= imgOn;
          imgOn2=eval(imgName2 + "_on.src");
          document[imgName2].src= imgOn2;
          imgOn3=eval(imgName3 + "_on.src");
          document[imgName3].src= imgOn3;  
          imgOn4=eval(imgName4 + "_on.src");
          document[imgName4].src= imgOn4;             
        }
     }
    
    function mout_multiple(imgName,imgName2,imgName3,imgName4)
     {
       if (document.images)
        {
          imgOff=eval(imgName + "_off.src");
          document[imgName].src= imgOff;
          imgOff2=eval(imgName2 + "_off.src");
          document[imgName2].src= imgOff2;
          imgOff3=eval(imgName3 + "_off.src");
          document[imgName3].src= imgOff3;           
          imgOff4=eval(imgName4 + "_off.src");
          document[imgName4].src= imgOff4;          
        }
     }