var rootDir = "http://takecredit.businesscatalyst.com/images/";

subscribe1 = new Image();
subscribe1.src = ( rootDir + "subscribe_off.gif" );
subscribe2 = new Image();
subscribe2.src = ( rootDir + "subscribe_over.gif" );

function imageon(imagename)
{
	document[imagename].src = eval(imagename + "2.src");
	window.status=" ";
}

function imageoff(imagename)
{
	document[imagename].src = eval(imagename + "1.src");
	window.status=" ";
}