/*Copyright Mihai Bazon,2002,2003|http://dynarch.com/mishoo/
 * ---------------------------------------------------------------------------
 * The DHTML Calendar
 * Details and latest version at:
 * http://dynarch.com/mishoo/calendar.epl
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 */
 
Calendar.setup=function (params){
function param_default(pname,def){if(typeof params[pname]=="undefined"){params[pname]=def;}};
param_default("inputField",null);
param_default("displayArea",null);
param_default("button",null);
param_default("eventName","click");
param_default("ifFormat","%Y/%m/%d");
param_default("daFormat","%Y/%m/%d");
param_default("singleClick",true);
param_default("disableFunc",null);
param_default("dateStatusFunc",params["disableFunc"]);
param_default("dateText",null);
param_default("firstDay",null);
param_default("align","Br");
param_default("range",[1900,2999]);
param_default("weekNumbers",true);
param_default("flat",null);
param_default("flatCallback",null);
param_default("onSelect",null);
param_default("onClose",null);
param_default("onUpdate",null);
param_default("date",null);
param_default("showsTime",false);
param_default("timeFormat","24");
param_default("electric",true);
param_default("step",2);
param_default("position",null);
param_default("cache",false);
param_default("showOthers",false);
param_default("multiple",null);
var tmp=["inputField","displayArea","button"];
for(var i in tmp){if(typeof params[tmp[i]]=="string"){params[tmp[i]]=document.getElementById(params[tmp[i]]);}}
if(!(params.flat || params.multiple || params.inputField || params.displayArea || params.button)){alert("Calendar.setup:\n Nothing to setup (no fields found). Please check your code");
return false;}
function onSelect(cal){

var p=cal.params;
var update=(cal.dateClicked || p.electric);
if(update && p.inputField){
p.inputField.value=cal.date.print(p.ifFormat);
if(typeof p.inputField.onchange=="function")
p.inputField.onchange();}
if(update && p.displayArea)
p.displayArea.innerHTML=cal.date.print(p.daFormat);
if(update && typeof p.onUpdate=="function")
p.onUpdate(cal);
if(update && p.flat){
if(typeof p.flatCallback=="function")
p.flatCallback(cal);}
if(update && p.singleClick && cal.dateClicked)
cal.callCloseHandler();
};
if(params.flat != null){
if(typeof params.flat=="string")
params.flat=document.getElementById(params.flat);
if(!params.flat){alert("Calendar.setup:\n Flat specified but can't find parent.");
return false;}
var cal=new Calendar(params.firstDay,params.date,params.onSelect || onSelect);
cal.showsOtherMonths=params.showOthers;
cal.showsTime=params.showsTime;
cal.time24=(params.timeFormat=="24");
cal.params=params;
cal.weekNumbers=params.weekNumbers;
cal.setRange(params.range[0],params.range[1]);
cal.setDateStatusHandler(params.dateStatusFunc);
cal.getDateText=params.dateText;
if(params.ifFormat){
cal.setDateFormat(params.ifFormat);}
if(params.inputField && typeof params.inputField.value=="string"){
cal.parseDate(params.inputField.value);}
cal.create(params.flat);
cal.show();
return false;}
var triggerEl=params.button || params.displayArea || params.inputField;
triggerEl["on" + params.eventName]=function(){
var dateEl=params.inputField || params.displayArea;
var dateFmt=params.inputField ? params.ifFormat : params.daFormat;
var mustCreate=false;
var cal=window.calendar;
if(dateEl)
params.date=Date.parseDate(dateEl.value || dateEl.innerHTML,dateFmt);
if(!(cal && params.cache)){
window.calendar=cal=new Calendar(params.firstDay,params.date,params.onSelect || onSelect,params.onClose || function(cal){cal.hide();});
cal.showsTime=params.showsTime;
cal.time24=(params.timeFormat=="24");
cal.weekNumbers=params.weekNumbers;
mustCreate=true;
}else{
if(params.date)
cal.setDate(params.date);
cal.hide();}
if(params.multiple){
cal.multiple ={};
for (var i=params.multiple.length; --i >= 0;){
var d=params.multiple[i];
var ds=d.print("%Y%m%d");
cal.multiple[ds]=d;}}
cal.showsOtherMonths=params.showOthers;
cal.yearStep=params.step;
cal.setRange(params.range[0],params.range[1]);
cal.params=params;
cal.setDateStatusHandler(params.dateStatusFunc);
cal.getDateText=params.dateText;
cal.setDateFormat(dateFmt);
if(mustCreate)
cal.create();
cal.refresh();
if(!params.position)
cal.showAtElement(params.button || params.displayArea || params.inputField,params.align);
else
cal.showAt(params.position[0],params.position[1]);
return false;
};

// Added this line to set onUpdate for arrival date calendar to function updateDepDate

if(params.inputField.name=="ArrDate"){params.onUpdate=updateDepDate;}

return cal;
};