// Calculates and sets the size of the opvul-filler

var thisArea				= document.getElementById( 'ov-rechts' );
if ( thisArea == null ) {
	alert('ov-rechts niet gevonden');
}
ov_rechts_height			= thisArea.offsetHeight;

var thisArea				= document.getElementById( 'ov-links' );
if ( thisArea == null ) {
	alert('ov-links niet gevonden');
}
ov_links_height				= thisArea.offsetHeight;

var thisArea				= document.getElementById( 'ov-links-kop' );
if ( thisArea == null ) {
	alert('ov-links-kop niet gevonden');
}
ov_links_kop_height			= thisArea.offsetHeight;

var thisArea				= document.getElementById( 'ov-products' );
if ( thisArea == null ) {
	alert('ov-products niet gevonden');
}
ov_products_height			= thisArea.offsetHeight;

var thisArea				= document.getElementById( 'ov-naw' );
if ( thisArea == null ) {
	alert('ov-naw niet gevonden');
}
ov_naw_height				= thisArea.offsetHeight;

var opvulArea				= document.getElementById( 'ov-ruimte' );
if ( opvulArea == null ) {
	alert('ov-ruimte niet gevonden');
}
ov_ruimte_height			= opvulArea.offsetHeight;


larger_height				= ov_links_height;
if ( ov_rechts_height > ov_links_height ) {
	larger_height				= ov_rechts_height;
}

ov_height = larger_height - ov_links_kop_height - ov_products_height - ov_naw_height - 3;
opvulArea.style.height		= ov_height;