if (document.images) {
	industrialon = new Image();
	industrialon.src = "industrialon.jpg";
	industrialoff = new Image();
	industrialoff.src = "industrialoff.jpg";
	industrialtext = new Image();
	industrialtext.src = "industrialtext.gif";
	textileon = new Image();
	textileon.src = "textileon.jpg";
	textileoff = new Image();
	textileoff.src = "textileoff.jpg";
	textiletext = new Image();
	textiletext.src = "textiletext.gif";
	alarmon = new Image();
	alarmon.src = "alarmon.jpg";
	alarmoff = new Image();
	alarmoff.src = "alarmoff.jpg";
	alarmtext = new Image();
	alarmtext.src = "alarmtext.gif";
	portableson = new Image();
	portableson.src = "portableson.jpg";
	portablesoff = new Image();
	portablesoff.src = "portablesoff.jpg";
	portablestext = new Image();
	portablestext.src = "portablestext.gif";
	securityon = new Image();
	securityon.src = "securityon.jpg";
	securityoff = new Image();
	securityoff.src = "securityoff.jpg";
	securitytext = new Image();
	securitytext.src = "securitytext.gif";
}
function load() {
	if (document.images) {
		document.industrial.src = eval("industrialoff.src");
		document.textile.src = eval("textileoff.src");
		document.alarm.src = eval("alarmoff.src");
		document.portables.src = eval("portablesoff.src");
		document.security.src = eval("securityoff.src");
	}
}
function on(img) {
	if (document.images) {
		document.textbox.src = eval(img + "text.src");
		document[img].src = eval(img + "on.src");
	}
}
function off(img) {
	if (document.images) {
		document.textbox.src = "blank.gif";
		document[img].src = eval(img + "off.src");		
	}
}