var preImage = new Array(13);

for(i=0;i<13;i++){
	preImage[i] = new Image();
}

preload();

function preload(){
	preImage[0].src = "images/logo.gif";
	preImage[1].src="menu/onFamily.gif";
	preImage[2].src="menu/onFriendship.gif";
	preImage[3].src="menu/onInspiration.gif";
	preImage[4].src="menu/onReflections.gif";
	preImage[5].src="menu/onVirtue.gif";
	preImage[6].src="menu/onWork.gif";
	preImage[7].src="menu/offFamily.gif";
	preImage[8].src="menu/offFriendship.gif";
	preImage[9].src="menu/offInspiration.gif";
	preImage[10].src="menu/offReflections.gif";
	preImage[11].src="menu/offVirtue.gif";
	preImage[12].src="menu/offWork.gif";
}

function flip(im){
	if(im>0){ //turn on
		document.images[im].src = preImage[im].src;
	}
	else if(im<0){ //turn off
		mi = -(im);
		document.images[mi].src = preImage[mi+6].src;
	}
}