Calendar.setup=function(params){function param_default(pname,def){if(typeof params[pname]=="undefined")params[pname]=def}param_default("inputField",null);param_default("defaultText","mm/dd/yyyy");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);params.originalDate=params.date;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,update=cal.dateClicked||p.electric;if(update&&p.inputField)if(!p.dateStatusFunc(cal.date)){p.inputField.value=cal.date.print(p.ifFormat);typeof p.inputField.onchange=="function"&&p.inputField.onchange()}if(update&&p.displayArea)p.displayArea.innerHTML=cal.date.print(p.daFormat);update&&typeof p.onUpdate=="function"&&p.onUpdate(cal);if(update&&p.flat)typeof p.flatCallback=="function"&&p.flatCallback(cal);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;params.ifFormat&&cal.setDateFormat(params.ifFormat);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,dateFmt=params.inputField?params.ifFormat:params.daFormat,mustCreate=false,cal=window.calendar;if(dateEl)if(dateEl.value!=params.defaultText)params.date=Date.parseDate(dateEl.value||dateEl.innerHTML,dateFmt,params.originalDate);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{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],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);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};return cal};