var mem=new Image();

mem.src="images/membersOn.jpg";

var gal=new Image();

gal.src="images/galleryOn.jpg";

var cal=new Image();

cal.src="images/calendarOn.jpg";

var learn=new Image();

learn.src="images/learnOn.jpg";

var join=new Image();

join.src="images/joinOn.jpg";

var original;

function menuRollOver(index,newImage){

	original=document.images[index].src;

	document.images[index].src=newImage.src;

}

function menuRollOut(index){

	document.images[index].src=original;

}