UTC时间转换为正常时间，并对两个时间比较

function  Convertdate(UTCstr) 
{ //Tue May 5 0:00:00 UTC+0800 2015 
  UTCstr=UTCstr+"";
  var date="";

//month
  var month=new Array();
 month["Jan"]=01;month["Feb"]=02;month["Mar"]=03;month["Apr"]=04;month["May"]=05;month["Jan"]=06;
  month["Jul"]=7;month["Aug"]=8;month["Sep"]=9;month["Oct"]=10;month["Nov"]=11;month["Dec"]=12;

//week
 var week=new Array();
  week["Mon"]="一";week["Tue"]="二";week["Wed"]="三";week["Thu"]="四";week["Fri"]="五";week["Sat"]="六";week["Sun"]="日";

//字符串拼接
  str=UTCstr.split(" ");
  date=str[5]+"-";

  //2015-05-05 00:00:00 格式
  date=date+month[str[1]]+"-"+str[2]+" "+str[3];
  //2015-05-05格式
  //date=date+month[str[1]]+"-"+str[2];
  //date=date+" 周"+week[str[0]];
  return date;
}

              
  var tcf=Convertdate(dt.cfrq).split(‘-‘);
  var tdd=Convertdate(dt.ddrq).split(‘-‘);
                  
  var sdate=new Date(tcf[0],tcf[1],tcf[2]);
  var edate=new Date(tdd[0],tdd[1],tdd[2]);
  if(sdate.getTime() <=edate.getTime() )
  { 
       return true;
  }
    else
  {
     alert(‘到达日期应大于或等于出发日期‘);
     return false;
  }