if (document.images) {
	polar_white_over = new Image();
	polar_white_over.src = "uploads/images/railings/railing_polar_white.jpg";
	linen_cream_over = new Image();
	linen_cream_over.src = "uploads/images/railings/railing_linen_cream.jpg";
	wicker_over = new Image();
	wicker_over.src = "uploads/images/railings/railing_wicker.jpg";
	sandalwood_over = new Image();
	sandalwood_over.src = "uploads/images/railings/railing_sandalwood.jpg";
	slate_grey_over = new Image();
	slate_grey_over.src = "uploads/images/railings/railing_slate_grey.jpg";
	tudor_brown_over = new Image();
	tudor_brown_over.src = "uploads/images/railings/railing_tudor_brown.jpg";
	midnight_black_over = new Image();
	midnight_black_over.src = "uploads/images/railings/railing_midnight_black.jpg";
	polar_white_off = new Image();
	polar_white_off.src = "uploads/images/railings/railing_polar_white.jpg";
}

function imgOn(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_over.src");
	}
}

function imgOff(imgName) {
	if (document.images) {
		document[imgName].src = eval(imgName + "_off.src");
	}
}

function imgrailingOn(imgName) {
	if (document.images) {
		document.railing.src = eval(imgName + "_over.src");
	}
}

function imgrailingOff(imgName) {
	if (document.images) {
		document.railing.src = eval(imgName + "_off.src");
	}
}