function expandIt(el) {
	submenuDiv = document.getElementById('submenu');
	if (el == 'home') {
		submenuDiv.innerHTML="";
	} else if (el == 'advies') {
		submenuDiv.innerHTML="";
	} else if (el == 'radiator') {
		// submenuDiv.innerHTML="<table><tr><td width='10'>&nbsp;</td><td><a href='radiator-paneel-vermogen.php'>paneelradiatoren horizontaal</a></td><td>|</td><td><a href='radiator-paneel-verticaal.php'>paneelradiatoren verticaal</a></td><td>|</td><td><a href='radiator-badkamer.php'>badkamerradiatoren</a></td><td>|</td><td><a href='radiator-design.php'>designradiatoren</a></td></tr></table>";
		submenuDiv.innerHTML="<table><tr><td width='10'>&nbsp;</td><td><a href='radiator-paneel-vermogen.php'>paneelradiatoren</a></td><td>|</td><td>&nbsp;</td><td>|</td><td><a href='radiator-badkamer.php'>badkamerradiatoren</a></td><td>|</td><td><a href='radiator-design.php'>designradiatoren</a></td></tr></table>";
	} else if (el == 'assortiment') {
		submenuDiv.innerHTML="";
	} else if (el == 'assortiment-old') {
		submenuDiv.innerHTML="<table><tr><td width='300'>&nbsp;</td><td><a href='assortiment-aansluitmateriaal.php'>aansluitmateriaal</a></td><td>|</td><td><a href='assortiment-ketels.php'>cv-ketels</a></td><td>|</td><td><a href='assortiment-vloerverwarming.php'>vloerverwarming</a></td><td>|</td><td><a href='assortiment-gratisadvies.php'>gratis advies</a></td></tr></table>";		
	} else if (el == 'bestellen') {
		submenuDiv.innerHTML="";
	}
}

function closeIt(el) {
   //document.all.submenu.innerHTML="";
}

function show_layer(x) {
   document.all.submenu.innerHTML="test";
}


function hide_layer(x) {
  if(document.layers)
    document.layers[x].visibility='hide';
  else if (document.all)
    document.all[x].style.visibility='hidden';
  else if (document.getElementById)
    document.getElementById(x).style.visibility = 'hidden';
}



function show_layer11(x) {
  if(document.layers)
    document.layers[x].visibility='show';
  else if (document.all)
    document.all[x].style.visibility='visible';
  else if (document.getElementById)
    document.getElementById(x).style.visibility = 'visible';
}


function hide_layer11(x) {
  if(document.layers)
    document.layers[x].visibility='hide';
  else if (document.all)
    document.all[x].style.visibility='hidden';
  else if (document.getElementById)
    document.getElementById(x).style.visibility = 'hidden';
}