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         pic2on.src="images/button.waarom.over.gif";
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         pic3on.src="images/button.webdesign.over.gif";
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         pic5on.src="images/button.contact.over.gif";
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         pic7on.src="images/button.portfolio.over.gif";
         pic8on= new Image(70,15);
         pic8on.src="images/button.naarboven.over.gif";
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         pic9on.src="images/button.meer.over.gif";
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         pic10on.src="images/button.meer.over.gif";
         pic11on= new Image(42,15);
         pic11on.src="images/button.meer.over.gif";  
         
         pic12on= new Image(42,15);
         pic12on.src="images/sub.mogelijkheden.over.gif";  
         pic13on= new Image(42,15);
         pic13on.src="images/sub.technieken.over.gif";  
         pic14on= new Image(42,15);
         pic14on.src="images/sub.resultaten.over.gif";  
         
         pic15on= new Image(42,15);
         pic15on.src="images/sub.portfolio.over.gif";  
         pic16on= new Image(42,15);
         pic16on.src="images/sub.achtergronden.over.gif";  
         pic17on= new Image(42,15);
         pic17on.src="images/sub.casestudies.over.gif";  
         pic18on= new Image(42,15);
         pic18on.src="images/sub.designs.over.gif";   
         
         pic19on= new Image(42,15);
         pic19on.src="images/sub.contact.over.gif";  
         pic20on= new Image(42,15);
         pic20on.src="images/sub.contactform.over.gif";  
         pic21on= new Image(42,15);
         pic21on.src="images/sub.route.over.gif";   
         
                 
         pic1off= new Image(31,12);
         pic1off.src="images/button.home.gif";
         pic2off= new Image(50,12);
         pic2off.src="images/button.waarom.gif";
         pic3off= new Image(42,12);
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         pic6off= new Image(43,12);
         pic6off.src="images/button.mogelijkheden.gif";
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         pic7off.src="images/button.portfolio.gif";         
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         pic8off.src="images/button.naarboven.gif"; 
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         pic9off.src="images/button.meer.gif";
         pic10off= new Image(42,15);
         pic10off.src="images/button.meer.gif";
         pic11off= new Image(42,15);
         pic11off.src="images/button.meer.gif";     
         
         pic12off= new Image(42,15);
         pic12off.src="images/sub.mogelijkheden.gif";  
         pic13off= new Image(42,15);
         pic13off.src="images/sub.technieken.gif";  
         pic14off= new Image(42,15);
         pic14off.src="images/sub.resultaten.gif";     
         
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         pic16off.src="images/sub.achtergronden.gif";  
         pic17off= new Image(42,15);
         pic17off.src="images/sub.casestudies.gif";  
         pic18off= new Image(42,15);
         pic18off.src="images/sub.designs.gif";         
         
         pic19off= new Image(42,15);
         pic19off.src="images/sub.contact.gif";  
         pic20off= new Image(42,15);
         pic20off.src="images/sub.contactform.gif";  
         pic21off= new Image(42,15);
         pic21off.src="images/sub.route.gif";   
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    function lightup(imgId)
     {
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        {
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          document.images[imgId].src = imgOn;
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    function turnoff(imgId)
     {
       if (document.images)
        {
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    //-->