// Allow users to select a date for use in an input field. function load_calendar(str_target, str_datetime,str_url) { var arr_months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; var week_days = ["S", "M", "T", "W", "T", "F", "S"]; var n_weekstart = 0; // day week starts from (normally 0 or 1) var dt_datetime = (str_datetime == null || str_datetime =="" ? new Date() : str2dt(str_datetime)); var dt_prev_month = new Date(dt_datetime); dt_prev_month.setMonth(dt_datetime.getMonth()-1); var dt_next_month = new Date(dt_datetime); dt_next_month.setMonth(dt_datetime.getMonth()+1); var dt_firstday = new Date(dt_datetime); dt_firstday.setDate(1); dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7); var dt_lastday = new Date(dt_next_month); dt_lastday.setDate(0); // html generation (feel free to tune it for your particular application) // print calendar header var str_buffer = new String ( "\n"+ "Calendar\n"+ "\n"+ "\n"+ "
\n"+ "\n "+ "\n \n"+ " \n "+ " \n\n" ); var dt_current_day = new Date(dt_firstday); // print weekdays titles str_buffer += "\n"; for (var n=0; n<7; n++) str_buffer += " \n"; // print calendar table str_buffer += "\n"; while (dt_current_day.getMonth() == dt_datetime.getMonth() || dt_current_day.getMonth() == dt_firstday.getMonth()) { // print row heder str_buffer += "\n"; for (var n_current_wday=0; n_current_wday<7; n_current_wday++) { if (dt_current_day.getDate() == dt_datetime.getDate() && dt_current_day.getMonth() == dt_datetime.getMonth()) // print current date str_buffer += " \n"; dt_current_day.setDate(dt_current_day.getDate()+1); } // print row footer str_buffer += "\n"; } // print calendar footer return str_buffer; } function show_calendar(str_target,str_datetime,str_url){ var str=load_calendar(str_target,str_datetime,str_url); var iCaldoc = iCal.document; iCaldoc.write(str); iCaldoc.close(); el = document.getElementById(str_target); xPos = el.offsetLeft; tempEl = el.offsetParent; while (tempEl != null) { xPos += tempEl.offsetLeft; tempEl = tempEl.offsetParent; } yPos = el.offsetTop; tempEl = el.offsetParent; while (tempEl != null) { yPos += tempEl.offsetTop; tempEl = tempEl.offsetParent; } document.getElementById('iCal').style.top = yPos + el.offsetHeight + 2; document.getElementById('iCal').style.left = xPos; } function hide_calendar(){ document.getElementById('iCal').style.left=-500 } // datetime parsing and formatting routimes. modify them if you wish other datetime format function str2dt (str_datetime) { var re_date = /^(\d\d)\-(\d\d)\-(\d\d\d\d)$/; if (!re_date.exec(str_datetime)) return alert("Invalid Datetime format: "+ str_datetime); return (new Date (RegExp.$3, RegExp.$1-1, RegExp.$2)); } function dt2dtstr (dt_datetime) { return (new String ( pd02((dt_datetime.getMonth()+1))+"-"+pd02(dt_datetime.getDate())))+"-"+dt_datetime.getFullYear(); } function dt2tmstr (dt_datetime) { return (new String ( dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds())); } function pd02(number){ number = ""+number; if (number.length==0) return "00"; else if (number.length==1) return "0" + number; else return number; }
"+ "\"previous"+ "" +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+""+ "\"next
"+ ""+ week_days[(n_weekstart+n)%7]+"
"; else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6) // weekend days str_buffer += " "; else // print working days of current month str_buffer += " "; if (dt_current_day.getMonth() == dt_datetime.getMonth()) // print days of current month str_buffer += ""+ ""; else // print days of other months str_buffer += ""+ ""; str_buffer += dt_current_day.getDate()+"