function checkTime() {

			var startTime = $('#startTime').val();

			var endTime = $('#endTime').val();

			if(startTime != '' || endTime != '') {

				if(startTime != '' && endTime != '') {

					var arr1 = startTime.split("-");

					var startDate = new Date(arr1[0],parseInt(arr1[1])-1,arr1[2]);

					var arr2 = endTime.split("-");

					var endDate = new Date(arr2[0],parseInt(arr2[1])-1,arr2[2]);

					if(startDate < endDate) {

						return true;

					}else {

						alert("开始时间大于结束时间！");

						return false;

					}

				}else {

					alert("时间范围错误！");

					return false;

				}

			}

		}