if (document.images) {
	logoon = new Image(215,55);
	logoon.src = "../../images/navBanner/iss_logo_on.gif";
	logooff = new Image(215,55);
	logooff.src = "../../images/navBanner/iss_logo_off.gif";
	
	abouton = new Image(112,20);
	abouton.src = "../../images/navBanner/aboutclass_on.gif";
	aboutoff = new Image(112,20);
	aboutoff.src = "../../images/navBanner/aboutclass_off.gif";
	
	videoon = new Image(112,20);
	videoon.src = "../../images/navBanner/watching_on.gif";
	videooff = new Image(112,20);
	videooff.src = "../../images/navBanner/watching_off.gif";
	
	reflecton = new Image(112,34);
	reflecton.src = "../../images/navBanner/reflecting_on.gif";
	reflectoff = new Image(112,34);
	reflectoff.src = "../../images/navBanner/reflecting_off.gif";
	
	standardson = new Image(112,20);
	standardson.src = "../../images/navBanner/standards_on.gif";
	standardsoff = new Image(112,20);
	standardsoff.src = "../../images/navBanner/standards_off.gif";
	
	resourceson = new Image(112,20);
	resourceson.src = "../../images/navBanner/resources_on.gif";
	resourcesoff = new Image(112,20);
	resourcesoff.src = "../../images/navBanner/resources_off.gif";
	
}