if (document.images) {

  homeon = new Image();
  homeon.src = "/images/b_home_r.gif";

  homeoff = new Image();
  homeoff.src = "/images/b_home.gif";
  
  }

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}

var aboutoff = new Image();
aboutoff.src = '/images/b_about_csi.gif';
var abouton = new Image();
abouton.src = '/images/b_about_csi_r.gif';

var eventsoff = new Image();
eventsoff.src = '/images/b_events_news.gif';
var eventson = new Image();
eventson.src = '/images/b_events_news_r.gif';

var servicesoff = new Image();
servicesoff.src = '/images/b_services_lifecycle.gif';
var serviceson = new Image();
serviceson.src = '/images/b_services_lifecycle_r.gif';

var educationoff = new Image();
educationoff.src = '/images/b_education.gif';
var educationon = new Image();
educationon.src = '/images/b_education_r.gif';

var synagogueoff = new Image();
synagogueoff.src = '/images/b_synagogue_groups.gif';
var synagogueon = new Image();
synagogueon.src = '/images/b_synagogue_groups_r.gif';

var socialoff = new Image();
socialoff.src = '/images/b_social_action.gif';
var socialon = new Image();
socialon.src = '/images/b_social_action_r.gif';

var contactoff = new Image();
contactoff.src = '/images/b_contact_csi.gif';
var contacton = new Image();
contacton.src = '/images/b_contact_csi_r.gif';


function rollon(img) {
	if (document.images){
		document[img].src=eval(img+'on.src');			
	}
}

function rolloff(img) {
	if (document.images){
		document[img].src=eval(img+'off.src');
	}
}

function blockon(icount) {
	if (document.images){
		//document[icount].src='/images/block.gif';	
		document[icount].src='/images/orangeArrowWithRed.gif';		
	}
}

function blockoff(icount) {
	if (document.images){
		document[icount].src='/images/spacer.gif';
	}
}