anchor.diff:  <script type="text/javascript">
   	var runningTrackInfo = $.parseJSON('${result.runningTrackInfo}');//运行轨迹
   	var runningTrackIndex = 0;
  -	var runningTrackLength = runningTrackInfo.length;
  +
  +	var runningTrackLength;
  +	if (runningTrackInfo) {
  +		runningTrackLength = runningTrackInfo.length;
  +	}
   	var currentRunningTrack;
   	var runningTrackThreadId;
   	//判断是否为IE浏览器标示
  
positive.code: 	}
  
  	$(function() {
  
  		//判断浏览器类型为IE
  		flowGraphic.loadFlowImg();
  		$("#yczt")
  
negative.code: 							flowGraphic.hideFlowImgStatus(($(this).attr(
  									"checked") == 'checked'));
  						});
  		$("#runningTrack").bind(
  				"click",
  				function() {
  					//flowGraphic.runningTrack(($(this).attr("checked") == 'checked'));
  					if ($(this).attr("checked") == 'checked') {
  						if (runningTrackInfo && runningTrackInfo.length != 0) {
  							runningTrackIndex = 0;
  							runningTrackThreadId = setInterval(
  									"moveRunningTrack()",
  									RUNNING_MILLESIMAL_SPEED);
  							$(this).attr("disabled", "disabled");
  						} else {
  							alert("无流程运行轨迹 数据");
  							$(this).attr("disabled", "disabled");
  						}
  
  					}
  					//暂停
  					if ($(this).attr("checked") != 'checked') {
  
  					}
  					//如果轨迹是正在运行的则不让它运行
  					if ($(this).attr("checked") != 'checked'
  							&& runningTrackIndex != 0
  							&& runningTrackIndex != runningTrackLength - 1) {
  						//runningTrackIndex = 0;
  					}
  
  				});
  	});
  </script>
  </html>