// Randomize Images for home page of site.
function imageRandomize()
	{
	var max_number       = 4;
	var generator_number = Math.random();
	var random_number    = Math.round(generator_number*max_number);
	var image_file;
	
	switch( random_number )
		{
		case 0:
			image_file = "H_IMG_main1.jpg";
			break;
		case 1:
			image_file = "H_IMG_main2.jpg";
			break;
		case 2:	
			image_file = "H_IMG_main3.jpg";
			break;	
		case 3:	
			image_file = "H_IMG_main4.jpg";
			break;	
		default:
			image_file = "H_IMG_main1.jpg";
			break;	
		}
	return image_file
	}