function change_image(img_src, image_id, width, height){
			
	if (document.images) {
		document.images[image_id].src = img_src;
		document.images[image_id].width = width;
		document.images[image_id].height = height;
	}
	
}

function refreshIt() {
	
   images = new Array('home_img1.jpg', 'home_img2.jpg', 'home_img3.jpg');	
	
   src1 = document.images['img1'].src;
   src2 = document.images['img2'].src;
 
   src1_arr = src1.split("/");
   src2_arr = src2.split("/");
 
   rand1 = Math.floor(Math.random()*images.length);
   while (images[rand1] == src1_arr[src1_arr.length-1]){
   	   rand1 = Math.floor(Math.random()*images.length);
   }   
   
   rand2 =  Math.floor(Math.random()*images.length);
   while (rand1 == rand2 || images[rand2] == src2_arr[src2_arr.length-1]){
   		rand2 =  Math.floor(Math.random()*images.length);
   }
   	
   if (!document.images) return;
   document.images['img1'].src = 'images/'+images[rand1];
   document.images['img2'].src = 'images/'+images[rand2];
   setTimeout('refreshIt()',5000);
}

function change_item(full_path, image_id, width, height, content){

    if (document.images) {
		document.images[image_id].src = full_path;
		document.images[image_id].width = width;
		document.images[image_id].height = height;		
	}	
	
	if (document.getElementById){
		div_id = document.getElementById('desc1');
		div_id.innerHTML = '<p id="descr">' + content + '</p>';
	}
	
}