function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
} 

function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }

		// this array consists of the id attributes of the divs we wish to alternate between
			var divs_to_fade = new Array('box-1', 'box-2', 'box-3', 'box-4');
		
			// the starting index in the above array.  It should be set to the value of the div which doesn't have the CSS Display property set to "none"
			var i = 0;
			
			// the number of milliseconds between swaps.  Default is five seconds.
			var wait = 5000;

			// the function that performs the fade
			function swapFade() {
				Effect.Fade(divs_to_fade[i], { duration:1, from:1.0, to:0.0 });
				i++;
				if (i == 4) i = 0;
				Effect.Appear(divs_to_fade[i], { duration:1, from:0.0, to:1.0 });
			}
			
			// the onload event handler that starts the fading.
			function startPage() {setInterval('swapFade()',wait);}