// Autoaanbod.php //
	function open_sluiten(iframe,iframe_2,iframe_3)
		{
			if(document.getElementById(iframe).style.visibility == 'hidden')
			{
				document.getElementById(iframe).style.visibility='visible';
				document.getElementById(iframe).style.display='';
				document.getElementById(iframe_2).style.visibility='hidden';
				document.getElementById(iframe_2).style.display='none';
				document.getElementById(iframe_3).style.visibility='hidden';
				document.getElementById(iframe_3).style.display='none';
			}
			else if(document.getElementById(iframe).style.visibility == 'visible')
			{
			document.getElementById(iframe).style.visibility='hidden';
			document.getElementById(iframe).style.display='none';
			}
		}
		
// contact.php //
	function open_sluitenContact(map)
		{
			if(document.getElementById(map).style.visibility == 'hidden')
			{
			document.getElementById(map).style.visibility='visible';
			document.getElementById(map).style.display='block';
			}
			else if(document.getElementById(map).style.visibility == 'visible')
			{
			document.getElementById(map).style.visibility='hidden';
			document.getElementById(map).style.display='none';
			}
		}

// medewerkers.php //
	function open_sluitenMW(mw,mw_2)
		{
			if(document.getElementById(mw).style.visibility == 'hidden')
			{
				document.getElementById(mw).style.visibility='visible';
				document.getElementById(mw).style.display='';
				document.getElementById(mw_2).style.visibility='hidden';
				document.getElementById(mw_2).style.display='none';
			}
			else if(document.getElementById(mw).style.visibility == 'visible')
			{
			document.getElementById(mw).style.visibility='hidden';
			document.getElementById(mw).style.display='none';
			}
		}