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architectureoff.src= "images/menus/architectureoff.gif";
architectureon=new Image();
architectureon.src= "images/menus/architectureon.gif";
biooff=new Image();
biooff.src= "images/menus/biooff.gif";
bioon=new Image();
bioon.src= "images/menus/bioon.gif";
calendarsoff=new Image();
calendarsoff.src= "images/menus/calendarsoff.gif";
calendarson=new Image();
calendarson.src= "images/menus/calendarson.gif";
contactoff=new Image();
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contacton=new Image();
contacton.src= "images/menus/contacton.gif";
paintingsoff=new Image();
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paintingson=new Image();
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renderingsoff=new Image();
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englishon=new Image();
englishon.src= "images/flags/englishon.gif";
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italianon=new Image();
italianon.src= "images/flags/italianon.gif";
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spanishon=new Image();
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fouroff=new Image();
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function imageOn (imagename){
  document[imagename].src=eval(imagename+"on.src");
 }
function imageOff (imagename){
  document[imagename].src=eval(imagename+"off.src");
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