if(typeof Prototype=='undefined')alert("CalendarDateSelect Error: Prototype could not be found. Please make sure that your application's layout includes prototype.js before it includes calendar_date_select.js.");
if(Prototype.Version<"1.6")alert("Prototype 1.6.0 is required.");
Element.addMethods({
  purgeChildren: function(element){$A(element.childNodes).each(function(e){$(e).remove();});},
  build:function(element,type,options,style){var newElement=Element.buildAndAppend(type,options,style);
    element.appendChild(newElement);return newElement;}});
Element.buildAndAppend=function(type,options,style){var e=$(document.createElement(type));
  	$H(options).each(function(pair){e[pair.key]=pair.value});if(style)e.setStyle(style);return e;};
nil = null;
Date.one_day=24*60*60*1000;Date.weekdays=$w("Sun Mon Tue Wed Thu Fri Sat");Date.first_day_of_week=0;
Date.months=$w("January February March April May June July August September October November December");
Date.padded2=function(hour){var padded2=parseInt(hour,10);if(hour<10)padded2="0"+padded2;return padded2;}
Date.prototype.getPaddedMinutes=function(){return Date.padded2(this.getMinutes());}
Date.prototype.getAMPMHour=function(){var hour=this.getHours();return(hour==0)?12:(hour>12?hour-12:hour)}
Date.prototype.getAMPM=function(){return(this.getHours()<12)?"AM":"PM";}
Date.prototype.stripTime=function(){return new Date(this.getFullYear(),this.getMonth(),this.getDate());};
Date.prototype.daysDistance=function(compare_date){return Math.round((compare_date - this)/Date.one_day);};
Date.prototype.toFormattedString=function(include_time){var hour,str;
  	str=Date.months[this.getMonth()]+" "+this.getDate()+", "+this.getFullYear();
  	if(include_time){hour=this.getHours();str+=" "+this.getAMPMHour()+":"+this.getPaddedMinutes()+" "+this.getAMPM()}return str;}
Date.parseFormattedString=function(string){return new Date(string);}
Math.floor_to_interval=function(n,i){return Math.floor(n/i)*i;}
window.f_height=function(){return([window.innerHeight?window.innerHeight:null,document.documentElement?document.documentElement.clientHeight:null,document.body?document.body.clientHeight:null].select(function(x){return x>0}).first()||0);}
window.f_scrollTop=function(){return([window.pageYOffset?window.pageYOffset:null,document.documentElement?document.documentElement.scrollTop:null,document.body?document.body.scrollTop:null].select(function(x){return x>0}).first()||0 );}
_translations={"OK":"OK","Now":"Now","Today":"Today"}
SelectBox=Class.create({
  	initialize:function(parent_element,values,html_options,style_options){
    	this.element=$(parent_element).build("select",html_options,style_options);this.populate(values);},
  	populate:function(values){this.element.purgeChildren();var that=this; 
		$A(values).each(function(pair){if(typeof(pair)!="object"){pair=[pair, pair]};that.element.build("option",{value: pair[1], innerHTML:pair[0]})});},
  	setValue:function(value){var e=this.element,matched=false;
    	$R(0,e.options.length-1).each(function(i){if(e.options[i].value==value.toString()){e.selectedIndex=i;matched=true;};});
    	return matched;},
  	getValue:function(){return $F(this.element)}
});
XDCalendar=Class.create({
  	initialize:function(target_element,options){this.target_element=$(target_element); 
    	if(!this.target_element){alert("Target element "+target_element+" not found!");return false;}
    	if(this.target_element.tagName!="INPUT")this.target_element=this.target_element.down("INPUT")
    	this.target_element.calendar_date_select=this;this.last_click_at=0;
		var now=new Date();
    	this.options=$H({embedded:false,popup:nil,time:false,buttons:true,ok:false,arrival:false,departure:false,
		  	year_range:[now.getFullYear(),now.getFullYear()+4],calendar_div:nil,close_on_click:nil,minute_interval:5,
		  	popup_by:this.target_element,month_year:"dropdowns",onchange:this.target_element.onchange,valid_date_check:nil
    	}).merge(options||{});
    	this.selection_made=$F(this.target_element).strip()!=="";this.use_time=this.options.get("time");
    	this.callback("before_show");this.calendar_div=$(this.options.get("calendar_div"));this.parseDate();
    	if(this.calendar_div==nil){this.calendar_div=$( this.options.get("embedded")?this.target_element.parentNode:document.body ).build('div');}
    	if(!this.options.get("embedded"))this.calendar_div.setStyle({position:"absolute",visibility:"hidden",left:0,top:0});
    	this.calendar_div.addClassName("calendar_date_select");
    	if (this.options.get("embedded")) this.options.set("close_on_click", false);
    	if (this.options.get("close_on_click")===nil ){
      		if(this.options.get("time"))this.options.set("close_on_click",false);else this.options.set("close_on_click",true);}
    	if(!this.options.get("embedded")){
      		Event.observe(document,"mousedown",this.closeIfClickedOut_handler=this.closeIfClickedOut.bindAsEventListener(this));
			Event.observe(document,"keypress",this.keyPress_handler=this.keyPress.bindAsEventListener(this));}
    	this.init();if(!this.options.get("embedded"))this.positionCalendarDiv();this.callback("after_show")},
  	_oldIE:function(){
		return(Prototype.Browser.IE&&parseFloat(navigator.appVersion.split(';')[1].strip().split(' ')[1])<=6)?true:false;},
  	positionCalendarDiv:function(){
		var above=false,c_pos=this.calendar_div.cumulativeOffset(),c_left=c_pos[0],c_top=c_pos[1];
		var c_dim=this.calendar_div.getDimensions(),c_height=c_dim.height,c_width=c_dim.width; 
		var w_top=window.f_scrollTop(),w_height=window.f_height(),e_dim=$(this.options.get("popup_by")).cumulativeOffset();
		var e_top=e_dim[1],e_left=e_dim[0],e_height=$(this.options.get("popup_by")).getDimensions().height,e_bottom=e_top+e_height;
		if(((e_bottom+c_height)>(w_top+w_height))&&(e_bottom-c_height>w_top))above=true;
		var left_px=e_left.toString()+"px",top_px=(above?(e_top-c_height):(e_top+e_height)).toString()+"px";
		this.calendar_div.style.left=left_px;this.calendar_div.style.top=top_px;
		this.calendar_div.setStyle({visibility:""});
		if(this._oldIE())
		this.iframe=$(document.body).build("iframe",{src:"javascript:false",className:"ie6_blocker"},
			{left:left_px,top:top_px,height:c_height.toString()+"px",width:c_width.toString()+"px",border:"0px"})},
  	init:function(){this.header_div=new Element("div",{"class":"cds_header"});
		var hdStyle=$H({position:"relative",width:"100%",height:"22px",backgroundImage:"url(/images/mr_calendar_top.png)"});
		var hdStyleIE6=$H({position:"relative",width:"100%",height:"22px",backgroundImage:"url(/images/mr_calendar_top_ie6.png)"});
		if(this._oldIE())this.header_div.setStyle(hdStyleIE6.toObject());else this.header_div.setStyle(hdStyle.toObject());
		this.body_div=new Element("div",{"class":"cds_body"}).setStyle({clear:"left",borderLeft:"2px solid #555",borderRight:"2px solid #555"});
		this.buttons_div=new Element("div").setStyle({clear:"left",borderLeft:"2px solid #555",borderRight:"2px solid #555",textAlign:"center",backgroundColor:"#024",height:"14px",lineHeight:"13px",fontSize:"12px",fontWeight:"bold"});
		this.footer_div=new Element("div").setStyle({clear:"left",fontSize:"12px",fontWeight:"bold",textAlign:"center",color:"#000",
height:"24px",lineHeight:"20px"});
		if(this._oldIE())this.footer_div.setStyle({backgroundImage:"url(/images/mr_calendar_bottom_ie6.png)"});
		else this.footer_div.setStyle({backgroundImage:"url(/images/mr_calendar_bottom.png)"});
		this.calendar_div.insert(this.header_div);this.calendar_div.insert(this.body_div);this.calendar_div.insert(this.buttons_div);
		this.calendar_div.insert(this.footer_div);this.initHeaderDiv();this.initButtonsDiv();this.initCalendarGrid();
		this.refresh();this.setUseTime(this.use_time);},
  	initHeaderDiv:function(){var header_div=this.header_div;
		if(this.options.get("month_year")=="dropdowns"){
			var monthContainer=new Element("div").setStyle({position:"absolute",left:"4px",top:"3px",width:"80px",height:"18px"});
			this.header_div.insert(monthContainer);
		  	this.month_select=new SelectBox(monthContainer,$R(0,11).map(function(m){return [Date.months[m], m]}),{onchange: function(){this.navMonth(this.month_select.getValue()) }.bindAsEventListener(this)},{color:"#002244",fontSize:"10px",height:"18px"}); 
			var yearContainer=new Element("div").setStyle({position:"absolute",left:"88px",top:"3px",width:"60px",height:"18px"});
		  	this.header_div.insert(yearContainer);
		  	this.year_select = new SelectBox(yearContainer,[],{className:"year",onchange:function(){this.navYear(this.year_select.getValue())}.bindAsEventListener(this)},{color:"#000000",fontSize:"10px",height:"18px"}); 
		  	this.populateYearRange();
		}else this.month_year_label=header_div.build("span");},
  	initCalendarGrid: function(){var body_div=this.body_div;this.calendar_day_grid=[];
		var days_table=body_div.build("table",{cellPadding:"0px",cellSpacing:"0px",width:"100%" })
		var weekdays_row=days_table.build("thead").build("tr");
		Date.weekdays.each(function(weekday){weekdays_row.build("th",{innerHTML:weekday});});
		var days_tbody=days_table.build("tbody"),row_number=0,weekday;
		for(var cell_index = 0;cell_index<42;cell_index++){
			weekday=(cell_index+Date.first_day_of_week )%7;
			if(cell_index%7==0 )days_row=days_tbody.build("tr",{className:'row_'+row_number++});
			(this.calendar_day_grid[cell_index]=days_row.build("td",{calendar_date_select:this,
				onmouseover:function(){this.calendar_date_select.dayHover(this);},
				onmouseout: function(){this.calendar_date_select.dayHoverOut(this)},
				onclick: function(){this.calendar_date_select.updateSelectedDate(this, true);},
				className:(weekday==0)||(weekday==6)?" weekend":""},{cursor:"pointer"})).build("div");
			this.calendar_day_grid[cell_index];}},
  	initButtonsDiv:function(){var buttons_div=this.buttons_div;
		b=buttons_div.build("span",{innerHTML:(this.options.get("arrival"))?"Arrival Date":"Departure Date"});
		b.setStyle({color:"#FFFFFF",fontSize:"12px",fontWeight:"bold"});},
  	refresh:function(){this.refreshMonthYear();this.refreshCalendarGrid();this.setSelectedClass();this.updateFooter();},
  	refreshCalendarGrid:function(){this.beginning_date=new Date(this.date).stripTime();this.beginning_date.setDate(1);
    	this.beginning_date.setHours(12);var pre_days = this.beginning_date.getDay();if(pre_days<3)pre_days+=7;
    	this.beginning_date.setDate(1-pre_days+Date.first_day_of_week);
    	var iterator=new Date(this.beginning_date),today=new Date().stripTime(),this_month=this.date.getMonth();
    	vdc=this.options.get("valid_date_check");
    	for(var cell_index=0;cell_index<42;cell_index++){day=iterator.getDate();month=iterator.getMonth();
      		cell=this.calendar_day_grid[cell_index];Element.remove(cell.childNodes[0]);div=cell.build("div",{innerHTML:day});
      		if(month!=this_month)div.className="other";cell.day=day;cell.month=month;cell.year=iterator.getFullYear();
      		if(vdc){if(vdc(iterator.stripTime()))cell.removeClassName("disabled");else cell.addClassName("disabled") };
      		iterator.setDate(day+1);}
    	if(this.today_cell)this.today_cell.removeClassName("today");
    	if($R(0,42).include(days_until=this.beginning_date.stripTime().daysDistance(today))){
      		this.today_cell=this.calendar_day_grid[days_until];this.today_cell.addClassName("today");}},
  	refreshMonthYear:function(){var m=this.date.getMonth(),y=this.date.getFullYear();
    	if(this.options.get("month_year")=="dropdowns"){this.month_select.setValue(m,false);var e=this.year_select.element; 
      		if(this.flexibleYearRange()&&(!(this.year_select.setValue(y,false))||e.selectedIndex<=1||e.selectedIndex>=e.options.length -2))this.populateYearRange();this.year_select.setValue(y);
    	}else{this.month_year_label.update( Date.months[m]+" "+y.toString());}},
  	populateYearRange:function(){this.year_select.populate(this.yearRange().toArray());},
  	yearRange:function(){if(!this.flexibleYearRange())return $R(this.options.get("year_range")[0],this.options.get("year_range")[1]);
    	var y=this.date.getFullYear();return $R(y-this.options.get("year_range"),y+this.options.get("year_range"));},
  	flexibleYearRange:function(){return (typeof(this.options.get("year_range"))=="number");},
  	validYear:function(year){if(this.flexibleYearRange())return true;else return this.yearRange().include(year);},
  	dayHover:function(element){var hover_date=new Date(this.selected_date);hover_date.setYear(element.year); 
		hover_date.setDate(element.day);hover_date.setMonth(element.month); 
    	this.updateFooter(hover_date.toFormattedString(this.use_time));element.setStyle({backgroundColor:"#FFF",color:"#024"});},
  	dayHoverOut:function(element){this.updateFooter(); 
		element.setStyle({backgroundColor:(element.hasClassName("weekend"))?"#699":"#069",color:"#FF0"});},
  	setSelectedClass: function(){if(!this.selection_made)return;if(this.selected_cell)this.selected_cell.removeClassName("selected");
    	if($R(0,42).include(days_until=this.beginning_date.stripTime().daysDistance(this.selected_date.stripTime()))){
      		this.selected_cell=this.calendar_day_grid[days_until];this.selected_cell.addClassName("selected");}},
  	reparse:function(){ this.parseDate(); this.refresh(); },
  	dateString:function(){return (this.selection_made)?this.selected_date.toFormattedString(this.use_time):"&#160;";},
  	parseDate:function(){var value=$F(this.target_element).strip()
		this.date=value==""?NaN:Date.parseFormattedString(this.options.get("date")||value);
		if(isNaN(this.date))this.date=new Date();
		if(!this.validYear(this.date.getFullYear()))
			this.date.setYear((this.date.getFullYear()<this.yearRange().start)?this.yearRange().start:this.yearRange().end);
		this.selected_date=new Date(this.date);this.use_time=/[0-9]:[0-9]{2}/.exec(value)?true:false;this.date.setDate(1);},
	updateFooter:function(text){if(!text)text=this.dateString();this.footer_div.purgeChildren(); 
		this.footer_div.build("span",{innerHTML:text });},updateSelectedDate:function(partsOrElement,via_click){
    		var parts=$H(partsOrElement);
    		if((this.target_element.disabled||this.target_element.readOnly)&&this.options.get("popup")!="force")return false;
    		if(parts.get("day")){var t_selected_date=this.selected_date,vdc=this.options.get("valid_date_check");
      			for(var x = 0;x<=3; x++)t_selected_date.setDate(parts.get("day"));t_selected_date.setYear(parts.get("year"));
      			t_selected_date.setMonth(parts.get("month"));if(vdc&&!vdc(t_selected_date.stripTime())){return false;}
      			this.selected_date=t_selected_date;this.selection_made=true;}
    	if (!isNaN(parts.get("hour"))) this.selected_date.setHours(parts.get("hour"));
    	if (!isNaN(parts.get("minute"))) this.selected_date.setMinutes( Math.floor_to_interval(parts.get("minute"), this.options.get("minute_interval")) );
		if(parts.get("hour")===""||parts.get("minute")==="")this.setUseTime(false);
		else if(!isNaN(parts.get("hour"))||!isNaN(parts.get("minute")))this.setUseTime(true);
		this.updateFooter();this.setSelectedClass();if(this.selection_made) this.updateValue();
		if(this.options.get("close_on_click"))this.close();
		if(via_click&&!this.options.get("embedded")){if((new Date()-this.last_click_at)<333)this.close();
		this.last_click_at=new Date();}},
  	navMonth:function(month){(target_date=new Date(this.date)).setMonth(month);return(this.navTo(target_date));},
  	navYear:function(year){(target_date=new Date(this.date)).setYear(year);return(this.navTo(target_date));},
  	navTo:function(date){if(!this.validYear(date.getFullYear()))return false;
		this.date=date;this.date.setDate(1);this.refresh();this.callback("after_navigate", this.date);return true;},
  	setUseTime: function(turn_on){
    	this.use_time=this.options.get("time")&&(this.options.get("time")=="mixed"?turn_on:true);
    	if(this.use_time && this.selected_date){
			var minute=Math.floor_to_interval(this.selected_date.getMinutes(),this.options.get("minute_interval"));
			var hour=this.selected_date.getHours();this.hour_select.setValue(hour);this.minute_select.setValue(minute)
    	}else if(this.options.get("time")=="mixed"){this.hour_select.setValue("");this.minute_select.setValue("");}},
  	updateValue:function(){var last_value=this.target_element.value;
		this.target_element.value=this.dateString();if(last_value!=this.target_element.value)this.callback("onchange");},
  	today:function(now){var d=new Date();this.date = new Date();
		var o=$H({day:d.getDate(),month:d.getMonth(),year:d.getFullYear(),hour:d.getHours(),minute:d.getMinutes()});
		if(!now)o=o.merge({hour:"",minute:""});this.updateSelectedDate(o, true);this.refresh();},
  	close:function(){if(this.closed)return false;this.callback("before_close");
		this.target_element.calendar_date_select=nil;Event.stopObserving(document,"mousedown",this.closeIfClickedOut_handler);
		Event.stopObserving(document,"keypress",this.keyPress_handler);
		this.calendar_div.remove();this.closed=true;if(this.iframe)this.iframe.remove();
		if(this.target_element.type!="hidden")this.target_element.focus();this.callback("after_close");},
  	closeIfClickedOut:function(e){if(!$(Event.element(e)).descendantOf(this.calendar_div))this.close();},
  	keyPress:function(e){if(e.keyCode==Event.KEY_ESC)this.close();},
  	callback:function(name,param){if(this.options.get(name)){this.options.get(name).bind(this.target_element)(param);}}}
);