var Pic = new Array();
var imageList = new Array();
var imageDesc = new Array();
var next = 1;
var prev = 1;
var picLength = 0;
function Preload()
{

	Pic[0] = 'images/27.gif';
	Pic[1] = 'images/28.gif';
	Pic[2] = 'images/29.gif';
	Pic[3] = 'images/30.gif';
	Pic[4] = 'images/31.gif';
	Pic[5] = 'images/32.gif';

//'Three Musicians<br />Pablo Picasso<br />&copy;2005  Estate of Pablo Picasso/Artists Rights Society (ARS), New York<br />&copy;The Philadelphia Museum of Art/Art Resource, NY'

	picLength = Pic.length;
	prev = picLength-1;
	
	for (i = 0; i < picLength; i++){
   		imageList[i] = new Image();
		imageList[i].src = Pic[i];
	}
	document.images.SlideShow.src = imageList[0].src
   	//changeText(imageDesc[0],"ImageDesc");	 
	

}

function showNext(){

   document.images.SlideShow.src = imageList[next].src
   //changeText(imageDesc[next],"ImageDesc");
   next++;
   prev++;
   
   next = (next > picLength-1 ) ? 0 : next;
   prev = (prev > picLength-1 ) ? 0 : prev;

}

function showPrev(){

   document.images.SlideShow.src = imageList[prev].src
   //changeText(imageDesc[prev],"ImageDesc");
   
   next--;
   prev--;
   
   next = (next < 0 ) ? picLength-1 : next;
   prev = (prev < 0 ) ? picLength-1 : prev;

}

function changeText(text,id)
{
	if (document.getElementById)
	{
		x = document.getElementById(id);
		x.innerHTML = '';
		x.innerHTML = text;
	}
	else if (document.all)
	{
		x = document.all[id];
		x.innerHTML = text;
	}
	else if (document.layers)
	{
		x = document.layers[id];
		text2 = '<div class="'+id+'" id="'+id+'">' + text + '</div>';
		x.document.open();
		x.document.write(text2);
		x.document.close();
	}
}