var numSections = 7;

var menuImages = new Array();
var menuImagesRoll = new Array();

for (n=1; n<=numSections; n++)
{
	menuImages[n] = new Image();
	menuImagesRoll[n] = new Image();	
	
	menuImages[n].src = "graphics/menu/" + n + ".gif";
	menuImagesRoll[n].src = "graphics/menu/" + n + "roll.gif";
}

function rollover(n)
{
	if (n!=currentSection) document.getElementById("mb"+n).src = menuImagesRoll[n].src;
}

function rollout(n)
{
	if (n!=currentSection) document.getElementById("mb"+n).src = menuImages[n].src;
}

function hilight(e, s)
{
	var img = e.firstChild;
	var imgName = String(img.src);
	var i = imgName.lastIndexOf(".");
	var imgNameRoot = imgName.substring(0, i);
	var imgNameExt =  imgName.substring(i, imgName.length);
	if (s==1) img.src = imgNameRoot + "_roll" + imgNameExt;
	else img.src = imgNameRoot.substring(0, imgNameRoot.length-5) + imgNameExt;
}