function CheckDate(val,whodate)
{
  var date_array="";
  var get_input_date_str = val;
  var seperate;

  if(get_input_date_str == "")
  {
		return true;
  }
  
  if (get_input_date_str.indexOf("-") != -1)
  {
      seperate = "-";
  }
  else if (get_input_date_str.indexOf("/") != -1)
  {
      seperate = "/";
  }
  else if (get_input_date_str.indexOf(".") != -1)
  {
      seperate = ".";
  }
  date_array = get_input_date_str.split(seperate);

  if(date_array.length != 3)
  {		
		alert(whodate + "的日期格式不正确！");
		return (false); 
  }
  if(date_array[0].length < 4)
  {
		alert(whodate + "的日期格式不正确！");
		return (false); 
  }
  
  date_array[1] = date_array[1] - 1;
  var get_input_date = new Date(date_array[0], date_array[1], date_array[2]);
  
  var get_input_year = get_input_date.getYear();
  var get_input_month = get_input_date.getMonth() + 1;
  var get_input_day = get_input_date.getDate();

  if(get_input_year<1000)
  {
		get_input_year=1900 + get_input_year;
  }
  if(get_input_month<10)
  {
		get_input_month= get_input_month;
  }
  if(get_input_day<10)
  {
		get_input_day= get_input_day;
  }

  if((get_input_year + seperate + get_input_month + seperate + get_input_day) != get_input_date_str)
  {
		alert(whodate + "的日期格式不正确！");
		return (false); 
  }
  return (true);
}

function compareDate(DateOne,DateTwo)
{
	var OneMonth = DateOne.substring(5,DateOne.lastIndexOf ("-"));
	var OneDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf ("-")+1);
	var OneYear = DateOne.substring(0,DateOne.indexOf ("-"));

	var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ("-"));
	var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf ("-")+1);
	var TwoYear = DateTwo.substring(0,DateTwo.indexOf ("-"));

	one=Date.parse(OneMonth+"/"+OneDay+"/"+OneYear);
	two=Date.parse(TwoMonth+"/"+TwoDay+"/"+TwoYear);
	if (one >= two)
	{
	return true;
	}
	else
	{
	return false;
	}
}
function compareDate1(DateOne,DateTwo)
{

	var OneMonth = DateOne.substring(5,DateOne.lastIndexOf ("-"));
	var OneDay = DateOne.substring(DateOne.length-9,DateOne.lastIndexOf ("-")+1);
//	alert (DateOne.lastIndexOf ("-")+1);
	var OneYear = DateOne.substring(0,DateOne.indexOf ("-"));
	var OneTime = DateOne.substring(DateOne.length,DateOne.indexOf (" "));

	var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ("-"));
	var TwoDay = DateTwo.substring(DateTwo.length-9,DateTwo.lastIndexOf ("-")+1);
	var TwoYear = DateTwo.substring(0,DateTwo.indexOf ("-"));
	var TwoTime = DateTwo.substring(DateTwo.length,DateOne.indexOf (" "));
	if (Date.parse(OneMonth+"/"+OneDay+"/"+OneYear+" "+OneTime) >= Date.parse(TwoMonth+"/"+TwoDay+"/"+TwoYear+" "+TwoTime))
	{
	return true;
	}
	else
	{
	return false;
	}
}