// JavaScript Document

window.addEvent('domready', function(e) {
		DatePicker.prototype.initialize =  function(dp){

		// Options defaults
		this.dayChars = 1; // number of characters in day names abbreviation
		this.dayNames =  ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
		this.daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
		this.format = 'mm/dd/yyyy';
		this.monthNames = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
		this.startDay = 1; // 1 = week starts on Monday, 7 = week starts on Sunday
		this.yearOrder = 'asc';
		this.yearRange = 20;
		this.yearStart = (new Date().getFullYear());
//    if (window.console) { console.log('DatePicker.yearStart=' + this.yearStart) }

		// Finds the entered date, or uses the current date
		if(dp.value != '') {
			dp.then = new Date();//(dp.value); //pas bon : on travaille en jj/mm/aaaa
			dtelems = dp.value.split(/\//g);
			dp.then.setDate(dtelems[0]);
			dp.then.setMonth(dtelems[1]-1); //les mois commencent à 0 en JS
			dp.then.setYear(dtelems[2]);
			dp.today = new Date();
		} else {
			dp.then = dp.today = new Date();
		}
		// Set beginning time and today, remember the original
		dp.oldYear = dp.year = dp.then.getFullYear();
		dp.oldMonth = dp.month = dp.then.getMonth();
		dp.oldDay = dp.then.getDate();
		dp.nowYear = dp.today.getFullYear();
		dp.nowMonth = dp.today.getMonth();
		dp.nowDay = dp.today.getDate();

		// Pull the rest of the options from the alt attr
		if(dp.alt) {
			options = Json.evaluate(dp.alt);
		} else {
			options = [];
		}
		dp.options = {
			monthNames: (options.monthNames && options.monthNames.length == 12 ? options.monthNames : this.monthNames) || this.monthNames, 
			daysInMonth: (options.daysInMonth && options.daysInMonth.length == 12 ? options.daysInMonth : this.daysInMonth) || this.daysInMonth, 
			dayNames: (options.dayNames && options.dayNames.length == 7 ? options.dayNames : this.dayNames) || this.dayNames,
			startDay : options.startDay || this.startDay,
			dayChars : options.dayChars || this.dayChars, 
			format: options.format || this.format,
			yearStart: options.yearStart || this.yearStart,
			yearRange: options.yearRange || this.yearRange,
			yearOrder: options.yearOrder || this.yearOrder
		};
		
//		 if (window.console) { console.log('dp.options.yearStart=' + dp.options.yearStart) }
		dp.setProperties({'id':dp.getProperty('name'), 'readonly':true});
		dp.container = false;
		dp.calendar = false;
		dp.interval = null;
		dp.active = false;
		dp.onclick = dp.onfocus = this.create.pass(dp, this);
	}
	
});