// 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 openScherm(theURL,winName,features)
{
	window.open(theURL,winName,features);
}