/*
				Global declarations
			*/

			var scrollUpInterval = 15;
			var scrollDownInterval = 20;
			var scrollTimer;
			var undefined;
			
			
			/*
				Gallery item swapping functions
			*/
			
			
			
			function toggleImage(image)
			{
				try
				{
					var source = new String(image.src);
					var extension = new String(source.substring(source.lastIndexOf('.'), source.length));
					

					if(source.indexOf('_over') > 0)
					{
						image.src = source.substring(0, source.indexOf('_over')) + extension;
					}
					else if(!(source.indexOf('_over') > 0))
					{
						image.src = source.substring(0, source.indexOf(extension)) + '_over' + extension;
					}	
				}
				catch(e)
				{
					alert('There was an error while swapping the background image for an element. \n ' + e.message);
				}
			}
			

			function changeItemDetail()
			{
				//Get a reference to the source element
				var source = window.event.srcElement;

				//Get the image name and start chopping it up
				var imageName = source.src;

				//Get the image extension
				var extension = imageName.substring(imageName.lastIndexOf('.'), imageName.length);

				//Get the base portion of the image path and image name
				var imageBaseName = imageName.substring(0, imageName.lastIndexOf('_', imageName.lastIndexOf('_') - 1));

				//Get a reference to the itemDetailText and ItemDetailImage tags
				var lgText = document.all['ItemDetailText'];
				var lgImage = document.all['ItemDetailImage'];

				lgText.src = imageBaseName + '_text_lg' + extension;
				lgImage.src = imageBaseName + '_item_lg' + extension;
			}
			
			function changeItemColor(color)
			{
				//Get a reference to the item image holder
				var image = document.all['itemImageHolder'];
				
				//Get the base item name and extension
				var baseItemName = image.src.substring(0, image.src.indexOf('_') + 1);
				var extension = image.src.substring(image.src.lastIndexOf('.'));
								
				//Swap to the selected color
				image.src = baseItemName + color + extension
			}		
			
			function changeCategoryItem(itemName)
			{
				//Get a reference to the item image holder
				var image = document.all['itemImageHolder'];
				
				//Get the base item name and extension
				var baseItemName = image.src.substring(0, image.src.lastIndexOf('/') + 1);
				var extension = image.src.substring(image.src.lastIndexOf('_'));
								
				//Swap to the selected item name
				image.src = baseItemName + itemName + extension			
			}
				
			
			
			
			
			
			
			
			/*
				Scroll box functions
			*/
	
	
			function scrollUp()
			{
				var scroller = document.all('content');
				var top = (isNaN(parseInt(scroller.style.top))) ? 50 : parseInt(scroller.style.top);
				
				if(scrollTimer != undefined)
				{
					window.clearInterval(scrollTimer);
				}
				
				if(top <= 50)
				{
					scroller.style.top = top + 1;
					scrollTimer = window.setInterval("scrollUp()", scrollUpInterval);
				}
				else
				{
					scroller.style.top = 50;
				}
			}
			
			function scrollDown()
			{
				var scroller = document.all('content');
				var top = (isNaN(parseInt(scroller.style.top))) ? 50 : parseInt(scroller.style.top);
				
				if(scrollTimer != undefined)
				{
					window.clearInterval(scrollTimer);
				}
				
				if(top+scroller.clientHeight > 170)
				{
					scroller.style.top = top - 1;
					scrollTimer = window.setInterval("scrollDown()", scrollDownInterval);
				}
				else
				{
					scroller.style.top = -(scroller.clientHeight - 170);
				}
			}