function setsize(oImg, width, height) {
	oImg.width = Math.round(width);
	oImg.height = Math.round(height);
	document.getElementById(oImg.id + 'Div').style.width = Math.round(width) + 2 + 'px';
}

function zoom(oImg, zoomx) {
	var w = oImg.width;
	var h = oImg.height;
	oImg.width = Math.round(w*zoomx);
	oImg.height = Math.round(h*zoomx);
	document.getElementById(oImg.id + 'Div').style.width = Math.round(w*zoomx) + 2 + 'px';
}
/*
function maakbalk(imgId, w, h) {
	if (!document.getElementById) return false;
	document.write('zoom <a href="#" onclick="zoom(' + imgId + ',1.25); return false" title="25% groter">+++</a> | <a href="#" onclick="setsize(' + imgId + ',' + w + ',' + h + '); return false" title="oorspronkelijk formaat">100%</a> | <a href="#" onclick="zoom(' + imgId + ', 0.75); return false" title="25% kleiner">---</a>');
}
*/
function maakbalk(imgId, w, h, fw, fh) {
	if (!document.getElementById) return false;
	document.write('zoom <a href="#" onclick="zoom(' + imgId + ',1.25); return false" title="25% groter">+++</a> | <a href="#" onclick="zoom(' + imgId + ', 0.75); return false" title="25% kleiner">---</a> | ');
	if (fw > w + 25)
		document.write('<a href="#" onclick="setsize(' + imgId + ',' + fw + ',' + fh + '); return false" title="volle glorie">100%</a> | ');
	document.write('<a href="#" onclick="setsize(' + imgId + ',' + w + ',' + h + '); return false" title="reset">reset</a>');
}