function imgOn(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"on.src");}}

function imgOff(imgName)
{if (document.images) {document[imgName].src=eval(imgName+"off.src");}}

if (document.images)
{
petitionon=new Image(); petitionon.src="../img/pnav_petition_over.gif";
petitionoff=new Image(); petitionoff.src="../img/pnav_petition_off.gif";

getinvolvedon=new Image(); getinvolvedon.src="../img/pnav_getinvolved_over.gif";
getinvolvedoff=new Image(); getinvolvedoff.src="../img/pnav_getinvolved_off.gif";

sweepstakeson=new Image(); sweepstakeson.src="../img/pnav_sweepstakes_over.gif";
sweepstakesoff=new Image(); sweepstakesoff.src="../img/pnav_sweepstakes_off.gif";

eventson=new Image(); eventson.src="../img/pnav_events_over.gif";
eventsoff=new Image(); eventsoff.src="../img/pnav_events_off.gif";

getpassporton=new Image(); getpassporton.src="../img/pnav_getpassport_over.gif";
getpassportoff=new Image(); getpassportoff.src="../img/pnav_getpassport_off.gif";

partnerson=new Image(); partnerson.src="../img/pnav_partners_over.gif";
partnersoff=new Image(); partnersoff.src="../img/pnav_partners_off.gif";


}