if (document.images) 
	{
		button_on = new Image();
		button_on.src = "/us/img/sm_arrow2.gif";
						
		button_off = new Image();
		button_off.src = "/us/img/sm_arrow.gif";
		
	}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}
				
function img_act(imgName, changeTo)
	
	{
		if (document.images) document[imgName].src = eval(changeTo + ".src")
	}

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

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

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

function setImage(imgName, imgSrc) {
	document[imgName].src = imgSrc;
}