nl = new Image ();
nl.src = "/files/img/nl.gif"; 
nl_hover = new Image ();
nl_hover.src = "/files/img/nl_hover.gif"; 

en = new Image ();
en.src = "/files/img/en.gif"; 
en_hover = new Image ();
en_hover.src = "/files/img/en_hover.gif"; 

fr = new Image ();
fr.src = "/files/img/fr.gif"; 
fr_hover = new Image ();
fr_hover.src = "/files/img/fr_hover.gif"; 

contact = new Image ();
contact.src = "/files/img/contact.gif"; 
contact_hover = new Image ();
contact_hover.src = "/files/img/contact_hover.gif";