function image() {
};

image = new image();
number = 0;

// imageArray
	image[number++] = "<img src='Randomimages/mortg_1.jpg' border='0'   width='537' height='321'>"
	image[number++] = "<img src='Randomimages/mortg_2.jpg' border='0'   width='537' height='321'>"
//	image[number++] = "<img src='Randomimages/mortg_3.jpg' border='0'   width='537' height='321'>"
//	image[number++] = "<img src='Randomimages/mortg_4.jpg' border='0'   width='537' height='321'>"

// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(image[increment]);

//-->