// JavaScript Document
function switchBgColor( elem, color )
{
	var e = document.getElementById(elem);
	if ( e && e.style )
	{
		e.style.backgroundColor = color;
	}
}

function showHideElement( elem, display )
{
	var e = document.getElementById(elem);
	if ( e && e.style )
	{
		e.style.display = display;
	}
}

function setInnerHTML( elem, text )
{
	var e = document.getElementById(elem);
	if ( e )
	{
		e.innerHTML = text;
	}
}

function getInnerHTML( elem )
{
	var e = document.getElementById(elem);
	if ( e )
		return e.innerHTML;
}

/* specific method */
function activiteitMeer( elem )
{
	var i = getInnerHTML('meer_' + elem);
	if ( i == 'Meer info...' )
	{
		showHideElement('info_' + elem, 'block');
		setInnerHTML('meer_' + elem, 'Sluiten...');
	}
	else
	{
		showHideElement('info_' + elem, 'none');
		setInnerHTML('meer_' + elem, 'Meer info...');
	}
}

function mail( n, d )
{
	document.location = 'mailto:' + n + '@' + d;
}