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"); 
		} 
	}

	function pageopen(theURL,winName,features) {
		window.open(theURL,winName,features);
	}