function showPrevMouseDown() {
				document.getElementById("prevImage").src = "../../images/icons/prevMouseDown.png";
		}

		function showReturnMouseDown() {
				document.getElementById("returnImage").src= "../../images/icons/returnMouseDown.png" ;
		}

		function showNextMouseDown() {
				document.getElementById("nextImage").src= "../../images/icons/nextMouseDown.png" ;
		}

		function showPrevMouseOut() {
				document.getElementById("prevImage").src= "../../images/icons/prev.png" ;
		}

		function showReturnMouseOut() {
				document.getElementById("returnImage").src= "../../images/icons/return.png" ;
		}

		function showNextMouseOut() {
				document.getElementById("nextImage").src= "../../images/icons/next.png" ;
		}