/* Set this value to the percentage font-size of the body as specified in the main style sheet */
var textResizeValue = 70;

/* Functie textResize */
function textResize () {
	if (document.getElementById) {
		var klein = document.getElementById('klein');
		klein.onclick = function () {
			var bodySize = document.body;
				textResizeValue = 60;
				var value = '' + textResizeValue + '%';
				bodySize.style.fontSize = value;
				return false;
		}
		var middel = document.getElementById('middel');
		middel.onclick = function () {
			var bodySize = document.body;
				textResizeValue = 70;
				var value = '' + textResizeValue + '%';
				bodySize.style.fontSize = value;
				return false;
		}
		var groot = document.getElementById('groot');
		groot.onclick = function () {
			var bodySize = document.body;
				textResizeValue = 90;
				var value = '' + textResizeValue + '%';
				bodySize.style.fontSize = value;
				return false;
		}		
	}
}

/* onload function */
window.onload = function() {
	textResize();
}