var rollout;
var holder;

ver = navigator.appVersion.substring(0, 1);

if (parseInt(navigator.appVersion.substring(0, 1)) >= 2) rollout=0;
if (parseInt(navigator.appVersion.substring(0, 1)) >= 4) rollout=1;

overIn = new Array(8);

if (rollout==1) 
{			
	overIn[0] = new Image();
	overIn[0].src="/assets/images/header/supportnypl-mo.gif";
	overIn[1] = new Image();
	overIn[1].src="/assets/images/header/friends-mo.gif";
	overIn[2] = new Image();
	overIn[2].src="/assets/images/header/conservators-mo.gif";
	overIn[3] = new Image();
	overIn[3].src="/assets/images/header/presidentscouncil-mo.gif";
	overIn[4] = new Image();
	overIn[4].src="/assets/images/header/younglions-mo.gif";
	overIn[5] = new Image();
	overIn[5].src="/assets/images/header/librarycubs-mo.gif";
	overIn[6] = new Image();
	overIn[6].src="/assets/images/header/schomburg-mo.gif";
	overIn[7] = new Image();
	overIn[7].src="/assets/images/header/emailsignup-mo.gif";
	
}               	

                
function switchIt(is,was)
{
	
	if (rollout==1)
	{			
		holder = document.images[was-1].src;
		document.images[was-1].src = overIn[is].src;
	}
}
        
function switchBack(was)
{		
	if (rollout==1)
	{               
		document.images[was-1].src = holder;
	}
}