/* functie om het menu te maken op de pagina's.
Denk eraan dat de submenu's ook worden aangeroepen bij de onload in de pagina's!!
Hugo Heijna 30 juli 2006
*/
function schrijfmenu() {
document.writeln('<!-- Begin navigatie -->');
document.writeln('<div id="navigatie">');
document.writeln('<ul>');
document.writeln('  <li><a href="#" onmousedown="showsubmenu(\'navigatie1\')">Onze vereniging</a>');
document.writeln('	  <ul id="navigatie1">');
document.writeln('	    <li><a href="doelstellingen.html">Doel en activiteiten</a></li>');
document.writeln('	    <li><a href="organisatie.html">Organisatie</a></li>');
document.writeln('    </ul>');
document.writeln('	</li>');
document.writeln('  <li><a href="lidworden.html">Lid worden</a></li>');
document.writeln('	<li><a href="#" onmousedown="showsubmenu(\'navigatie3\')">Het oog</a>');
document.writeln('	  <ul id="navigatie3">');
document.writeln('	    <li><a href="debouwvanhetoog.html">Bouw van het oog</a></li>');
document.writeln('		<li><a href="debouwvanhethoornvlies.html">Bouw van het hoornvlies</a></li>');
document.writeln('	  </ul>');
document.writeln('  </li>');
document.writeln('	<li><a href="#" onmousedown="showsubmenu(\'navigatie4\')">Aandoeningen</a>');
document.writeln('	  <ul id="navigatie4">');
document.writeln('		<li><a href="keratoconus.html">Keratoconus</a></li>');
document.writeln('		<li><a href="fuchsdystrofie.html">Fuch\'s dystrofie </a></li>');
document.writeln('	  </ul>');
document.writeln('  </li>');
document.writeln('	<li><a href="#" onmousedown="showsubmenu(\'navigatie5\')">Behandelingen</a>');
document.writeln('	  <ul id="navigatie5">');
document.writeln('	    <li><a href="hoornvliestransplantatie.html">Hoornvlies - transplantatie</a></li>');
document.writeln('		<li><a href="bindvliesoverhechting.html">Bindvlies - overhechting</a></li>');
document.writeln('		<li><a href="amnionmembraantransplantatie.html">Amnionmembraan - transplantatie</a></li>');
document.writeln('	  </ul>');
document.writeln('  </li>');
document.writeln('	<li><a href="hoornvliespatientendag.html">Hoornvliesdagen</a></li>');
document.writeln('	<li><a href="vragen/disclaim.html">Vraag en antwoord</a></li>');
document.writeln('	<li><a href="#" onmousedown="showsubmenu(\'navigatie6\')">Tips en Info</a>');
document.writeln('	  <ul id="navigatie6">');
document.writeln('	    <li><a href="nieuwsbrief.html">Nieuwsbrief</a></li>');
document.writeln('	    <li><a href="film RTL.html">Film RTL</a></li>');
document.writeln('	    <li><a href="folders.html">Folders</a></li>');
document.writeln('	    <li><a href="belasting.html">Belasting</a></li>');
document.writeln('      <li><a href="behoefteberaming.html">Behoefteraming</a></li>');
document.writeln('	  </ul>');
document.writeln('  </li>');
document.writeln('	<li><a href="links.html">Links</a></li>');
document.writeln('	<li><a href="#" onmousedown="showsubmenu(\'navigatie7\')">Archief</a>');
document.writeln('	  <ul id="navigatie7">');
document.writeln('	    <li><a href="nieuwsbriefarch.html">Nieuwsbrief</a></li>');
document.writeln('		<li><a href="enqNPCF2008.html">Enqu&ecirc;te NPCF 2008</a></li>');
document.writeln('	  </ul>');
document.writeln('  </li>');
document.writeln('	<li><a href="contact.html">Contact</a></li>');
document.writeln('	<li><a href="nieuwopdesite.html">Nieuw op de site</a></li>');
document.writeln('</ul>');
document.writeln('</div>');
document.writeln('<script language="javascript" TYPE="text/javascript">');
document.writeln('function showsubmenu(element) {');
document.writeln('  document.getElementById(\'navigatie1\').style.display = "none";');
document.writeln('	document.getElementById(\'navigatie3\').style.display = "none";');
document.writeln('	document.getElementById(\'navigatie4\').style.display = "none";');
document.writeln('	document.getElementById(\'navigatie5\').style.display = "none";');
document.writeln('	document.getElementById(\'navigatie6\').style.display = "none";');
document.writeln('  document.getElementById(\'navigatie7\').style.display = "none";');
document.writeln('	document.getElementById(element).style.display = "list-item";');
document.writeln('}');
document.writeln('document.getElementById(\'navigatie1\').style.display = "none";');
document.writeln('document.getElementById(\'navigatie3\').style.display = "none";');
document.writeln('document.getElementById(\'navigatie4\').style.display = "none";');
document.writeln('document.getElementById(\'navigatie5\').style.display = "none";');
document.writeln('document.getElementById(\'navigatie6\').style.display = "none";');
document.writeln('document.getElementById(\'navigatie7\').style.display = "none";');
document.writeln('</script>');
}