function activeImage(x) {
	document.getElementById(x).src = "style/gfx/ks_wsk_a.png";
}

function deactiveImage(x) {
	document.getElementById(x).src = "style/gfx/ks_wsk.png";
}


function changeVisibility(x) {
	var citroen = document.getElementById('citroen_div');
	var standard = document.getElementById('standard_div');
	if (citroen.style.display == 'none' && x == 1) {
		document.getElementById('citroen_div').style.display = 'block';
		document.getElementById('standard_div').style.display = 'none';
		document.getElementById('citroen_span').style.fontSize = '15px';
		document.getElementById('standard_span').style.fontSize = '11px';
	}
	
	if (standard.style.display == 'none' && x == 2) {
		document.getElementById('citroen_div').style.display = 'none';
		document.getElementById('standard_div').style.display = 'block';
		document.getElementById('standard_span').style.fontSize = '15px';
		document.getElementById('citroen_span').style.fontSize = '11px';
	}
}