function hoverMenu(m){
		
	d = document.getElementById('menu');

	if (m == 'over'){ d.className = 'menu_over'; } else { d.className = 'menu'; }

}

function openFoto(linkurl,intWidth,intHeight) { 
	
	var intWidth;
	var intHeight;
	var intLeft		= (screen.availWidth / 2) - (intWidth / 2 );
	var intTop		= (screen.availHeight / 2) - (intHeight / 2 );
	var strAttrib	= 'toolbar=0,location=0,scrollbars=no,resizable=0,'+ 'width=' + intWidth + ',height=' + intHeight + ',top=' + intTop + ',left=' + intLeft;
	var objWin		= window.open (linkurl, 'popup', strAttrib);

}

function berichtknop(){ 

	document.getElementById('verzenden').disabled	= false; 

}

function resetreactie(){
	
	document.getElementById('naam').value 			= '';
	document.getElementById('email').value			= ''; 
	document.getElementById('bericht').value		= ''; 
	document.getElementById('verzenden').disabled	= true; 

}