function getFrom(datefrom)
{
  var date_from = datefrom
}

function getFrom(dateto)
{
  var date_to = dateto
}
function checkDate()
{
  var date1 = date_from
  var date2 = date_to
  if(date1>date2 || date1==date2){
    alert("Please check your chosen Dates")
    return false
  }

}