var imageDir = "/images/menu/";
var menuItems = ["home","schade","formulieren","nieuws","contact"];

function highlightItem(x) {
	document.images['knop' + x].src = imageDir + "knop-" + menuItems[x-1] + "-over.gif";
}

function highlightExit(x) {
	document.images['knop' + x].src = imageDir + "knop-" + menuItems[x-1] + ".gif";
}

function preloadAllImg() {
	tempImg = new Array();
	for(i=0;i<menuItems.length;i++) {
		var tempImgLength = tempImg.length;
		tempImg[tempImgLength] = new Image();
		tempImg[tempImgLength].src = imageDir + "knop-" + menuItems[i] + "-over.gif";
	}
}

preloadAllImg();