showHideOnSingleJourneyCheckBoxSelection();journeyTypeChanged();addJourneyTypeChangeEventListener();showHideOnOpenReturnJourneyCheckBoxSelection();function journeyTypeChanged(){var journeyType=getJourneyTypeListBox();if(journeyType){showHideReturnDate(journeyType.options[journeyType.selectedIndex].value)}}function addJourneyTypeChangeEventListener(){var journeyType=getJourneyTypeListBox();if(!journeyType){return}if(journeyType.addEventListener){journeyType.addEventListener("change",journeyTypeChanged,false)}else{if(journeyType.attachEvent){journeyType.attachEvent("onchange",journeyTypeChanged)}else{journeyType.onchange=journeyTypeChanged}}}function getJourneyTypeListBox(){var listBoxes=document.getElementsByTagName("select");for(var i=0;i<listBoxes.length;i++){if(listBoxes[i].id.indexOf("JourneyTypeListBox")>=0){return listBoxes[i]}}}function IsChecked(checkBoxIdSuffix){var result=Exists(checkBoxIdSuffix);return result?result.checked:false}function Exists(inputNane){var listBoxes=document.getElementsByTagName("input");for(var i=0;i<listBoxes.length;i++){if(listBoxes[i].id.indexOf(inputNane)>=0){return listBoxes[i]}}return false}function showHideCheckBoxInDiv(checkBoxIdSuffix,divId){if(!document.getElementById(divId)){return}IsChecked(checkBoxIdSuffix)?document.getElementById(divId).style.display="none":document.getElementById(divId).style.display="block"}function showHideOnSingleJourneyCheckBoxSelection(){showHideCheckBoxInDiv("SingleJourneyCheckBox","retCH")}function showHideOnOpenReturnJourneyCheckBoxSelection(){showHideCheckBoxInDiv("OpenReturnJourneyCheckBox","returnJourneyDetails")};