var adNum=0;
			var theTimer;
			var whichlink;
			var TimeOutaa=4000;              //每张图切换时间 (单位毫秒);
			var count=0;
		function jdturl(){
			window.open(imgLink[whichlink]);
		}
				
		function chagncssname(nnn){//小图当前图片的样式
					for (i=1;i<5;i++){
						document.getElementById("gdxt"+i).className="gdxtNameOf";
					}														
					document.getElementById("gdxt"+nnn).className="gdxtNameOn";
									
		}													
		function playTran(){
					if (isIE){
							imgInit.filters.BlendTrans.play();
						}
			}
				var key=0;
				
				//页面打开时的焦点图的程序开始
				
		function nextAd(){//页面打开时大图的切换
						if(adNum<(imgUrl.length-1)){
							adNum++;
						}else{
							adNum=1;
						}
						if(document.all){
							//imgInit.filters.BlendTrans.Transition=23;
							imgInit.filters.BlendTrans.apply();
							playTran();
						}
						whichlink=adNum;
						chagncssname(adNum)
						document.images.imgInit.src=imgUrl[adNum];
						theTimer=setTimeout("nextAd()", TimeOutaa);
				}
				
			nextAd();
		function stopnextad(nnn){//停在滚动层时滚动层停止滚动程序
				document.getElementById("gdxt"+nnn).className="gdxtNameOn";
				clearTimeout(theTimer);
		}
			
		function startnextad(){//移出滚动层时滚动层开始滚动程序
				chagncssname(adNum);
				theTimer=setTimeout("nextAd()", TimeOutaa);
		}
			
		function nextAdonclick(nn){//点击小图的切换
						
						adNum=nn;
						if(document.all){
							//imgInit.filters.BlendTrans.Transition=23;
							imgInit.filters.BlendTrans.apply();
							playTran();
						}
						whichlink=adNum;
						chagncssname(adNum);
						document.images.imgInit.src=imgUrl[adNum];
						
		}