function mbar_over(){
	document.getElementById('mbar1').src = '../images/mobiel_bar_over.jpg';
}
function mbar_out(){
	document.getElementById('mbar1').src = '../images/mobiel_bar.jpg';
}
function set_hoogte(){

	try {
		var value = document.getElementById('left').offsetHeight;
		if(value > 370){
			document.getElementById('content_a').style.height = (value+100) + 'px';
			
		}
	} catch (e) {
		var value = document.getElementById('left').offsetHeight;
		document.getElementById('content_a').style.height = (value+100) + 'px';
	}
}
function switchenactie(){
	try {
		if(document.getElementById('actiehome').src.indexOf('over')>0){
			document.getElementById('actiehome').src = 'images/actie.gif';
		}else{
			document.getElementById('actiehome').src = 'images/actie_over.gif';
		}
		
		setTimeout('switchenactie()',4000);
	} catch (e) {

	}
}