function swaparrowover(direction) {
	if (direction == "left") {
		document.getElementById("leftarrow").src = "http://www.cat.com/cda/files/2903640/7/images/gray_left_down.png";
	} else if (direction == "right") {
		document.getElementById("rightarrow").src = "http://www.cat.com/cda/files/2903640/7/images/gray_right_down.png";
	}
}
function swaparrowout(direction) {
	if (direction == "left") {
		document.getElementById("leftarrow").src = "http://www.cat.com/cda/files/2903640/7/images/gray_left_up.png";
	} else if (direction == "right") {
		document.getElementById("rightarrow").src = "http://www.cat.com/cda/files/2903640/7/images/gray_right_up.png";
	}
}