function SwitchImage(Id, url, desc, nextId, lastId){
				var imgBigPic = document.getElementById("imgBigPic_"+Id);
				imgBigPic.src = url;
				imgBigPic.onclick = new Function("document.getElementById('" + nextId + "').onclick();");
				var divDesc = document.getElementById("divDesc_"+Id);
				if(divDesc){
					divDesc.innerHTML = desc;
				}
				else {
					//alert(" Can't Find divDesc_"+Id);
				}
				var ImgNext = document.getElementById("ImgNext_"+Id);
				if(ImgNext){
					ImgNext.onclick = new Function("document.getElementById('" + nextId + "').onclick();");
				}
				
				var ImgLast = document.getElementById("ImgLast_"+Id);
				if(ImgLast){
					ImgLast.onclick = new Function("document.getElementById('" + lastId + "').onclick();");
				}
			}