// JavaScript Document

function showtr(id)
{
	if(document.getElementById(id).style.display == 'none' && document.getElementById(id).style.visibility == 'hidden')
	{
		document.getElementById(id).style.display = '';
		document.getElementById(id).style.visibility = '';
	} 
	else 
	{
		document.getElementById(id).style.display = 'none';
		document.getElementById(id).style.visibility = 'hidden'
	}
}

function selectIndex(selObj) 
{ 
	ref = selObj.options[selObj.selectedIndex].value;
	document.getElementById('veer').src = 'media/veren/'+ref;
}


/* -------------------------------- */
/* VERBERG PRESENTATIE (PAGINAINFO) */
/* -------------------------------- */

function file_dis()
{
	document.page.pagePresentatie.disabled = 1;
}

function file_open()
{
	document.page.pagePresentatie.disabled = 0;
}