if (document.images) {

// mouse-over images
	  var presson = new Image();
	 presson.src = "/images/feedback/press_1.png";

	  var pressoff = new Image();
	  pressoff.src = "/images/feedback/press.png";

	  var quoteson = new Image();
	 quoteson.src = "/images/feedback/quotes_1.png";

	  var quotesoff = new Image();
	  quotesoff.src = "/images/feedback/quotes.png";
	  
	  var interviewson = new Image();
	 interviewson.src = "/images/feedback/interviews_1.png";

	  var interviewsoff = new Image();
	  interviewsoff.src = "/images/feedback/interviews.png";

	  var sessionson = new Image();
	  sessionson.src = "/images/feedback/sessions_1.png";

	  var sessionsoff = new Image();
	  sessionsoff.src = "/images/feedback/sessions.png";

}	  
	  

function swapImgOn(imgName) {
	if (document.images) {	 
	 document[imgName].src= eval(imgName+'on'+'.src');
	}
}	


function swapImgOff(imgName) {
	if (document.images) {
		document[imgName].src= eval(imgName+'off'+'.src');
	}
}