// JavaScript Document
<!--
img1on = new Image();      
img1on.src = "images/static/btn_login_on.gif"; 
img1off = new Image(); 
img1off.src = "images/static/btn_login_off.gif"; 

// Function to 'activate' images.
function imgOn(imgId, imgName) 
{
	document.images[imgId].src = imgName;
	//document.images['img1'].src = eval(imgName + "on.src");
}

// Function to 'deactivate' images.
function imgOff(imgId, imgName) 
{
	document.images[imgId].src = imgName;
	//document.images['img1'].src = eval(imgName + "off.src");
}
// -->