function zetKleur(ele,kleur) {
var b = ele.id;
document.getElementById(b).style.backgroundColor = kleur;
}

function verwijderPNGs() {
/*var b = navigator.userAgent.toLowerCase();*/
//alert(b);
/*if(b.indexOf('msie 6') != -1 ) {
	document.getElementById('shaduwVlakTop').style.background = 'none';
	document.getElementById('shaduwVlakBottom').style.background = 'none';
	}*/
}