function image() { };
		image = new Array();
		number = 0;
		// imageArray
		
		image[number++] = {img:"<img src='/HOME/images/pc_img_1.jpg'  alt='nyumc logo' width='385' height='112' />"};
		image[number++] = {img:"<img src='/HOME/images/pc_img_2.jpg'  alt='nyumc logo' width='385' height='112' />"};
		
		
		
		increment = Math.floor(Math.random() * number); 
		txt = image[increment].img;
		document.write(txt);