<!-- PRELOAD ROTATOR IMAGES! -->	
		if (document.images)
			{

			 	  pic1= new Image(462,249); 
				  pic1.src="/events/amc/2010/_images/_rotate/20100727-NBAA.jpg";
				  
			 	  pic2= new Image(462,249); 
				  pic2.src="/events/amc/2010/_images/_rotate/20100713-atlanta.jpg";
				  
				  pic3= new Image(462,249); 
				  pic3.src="/events/amc/2010/_images/_rotate/20100713-service_center.jpg";
				  
				  pic4= new Image(462,249);  
				  pic4.src="/events/amc/2010/_images/_rotate/20100727-chicago.jpg";
			}
			
			var iCurrent=1;
			// Change the iMax number below when adding more promos
			var iMax=4;
			var timer = setInterval("changePromo(iCurrent, getNextID())", 5000);
			
			function changePromo(currentID, newID) {
				if (currentID != newID) {
					oCurrentImage = $('mainPromo'+currentID);
					oNewImage = $('mainPromo'+newID);
					Effect.Fade(oCurrentImage, { duration: .3, from: 1.0, to: 0.0, queue: { position: 'start', scope: 'image', limit: 4 } });
					Effect.Appear(oNewImage, { duration: .3, queue: { position: 'end', scope: 'image', limit: 4 } });
					iCurrent=newID;
					clearInterval(timer);
					timer = setInterval("changePromo(iCurrent, getNextID())", 15000);
					
					oCurrentNav = $('promoNav'+currentID);
					oCurrentNav.className=oCurrentNav.className.replace(new RegExp(" selected\\b"), "");
					oNewNav = $('promoNav'+newID);
					oNewNav.className+=" selected";
				}
			}
			
			function getNextID() {
				if (iCurrent==iMax) {
					iCurrent=1;
				} else {
					iCurrent=iCurrent+1;
				}
				return iCurrent;
			}
			
			function getPrevID() {
				if (iCurrent==1) {
					iCurrent=4;
				} else {
					iCurrent=iCurrent-1;
				}
				return iCurrent;
			}
			
			Event.observe(window, 'load', function() {
				oCurrentNav = $('promoNav1');
				oCurrentNav.className+=" selected";
			});