function show_calendar(str_input){ o_input = document.getElementById(str_input); var dt_datetime = new Date(); if(o_input.value != null && o_input.value != ""){ dt = str2dt(o_input.value); if(dt) dt_datetime = dt; } str_date = dt2dtstr(dt_datetime); var vWinCal = window.open("", "Seleccione", "width=200,height=210,status=no,resizable=yes,top=200,left=200"); str_buffer = "Seleccione\n"; vWinCal.document.write(str_buffer+cal_update(str_input,str_date,str_date)+''); vWinCal.document.close(); vWinCal.focus(); } function cal_rewrite(str_input,str_datetime,str_month){ document.getElementById('body').innerHTML=cal_update(str_input,str_datetime,str_month); } function cal_update(str_input,str_datetime,str_curr_date){ var arr_months = ["Enero", "Febrero", "Marzo", "Abril", "Mayo", "Junio", "Julio", "Agosto", "Septiembre", "Octubre", "Noviembre", "Diciembre"]; var week_days = ["Do", "Lu", "Ma", "Mi", "Ju", "Vi", "Sa"]; var n_weekstart = 1; // day week starts from (normally 0 or 1) var dt_datetime = str2dt(str_datetime); var dt_curr_date = str2dt(str_curr_date); var dt_prev_month = new Date(dt_curr_date); dt_prev_month.setMonth(dt_curr_date.getMonth()-1); var dt_next_month = new Date(dt_curr_date); dt_next_month.setMonth(dt_curr_date.getMonth()+1); var dt_firstday = new Date(dt_curr_date); dt_firstday.setDate(1); dt_firstday.setDate(1-(7+dt_firstday.getDay()-n_weekstart)%7); // print calendar header var str_buffer = new String ( "
\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"; str_buffer += "\n"; while (dt_current_day.getMonth() == dt_curr_date.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())){ str_buffer += " \n"; dt_current_day.setDate(dt_current_day.getDate()+1); } str_buffer += "\n"; } str_buffer +="
"+ "\"previous"+ "" +arr_months[dt_curr_date.getMonth()]+" "+dt_curr_date.getFullYear()+""+ "\"next
"+ ""+ week_days[(n_weekstart+n)%7]+"
"; }else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6) str_buffer += " "; else str_buffer += " "; if (dt_current_day.getMonth() == dt_curr_date.getMonth()){ str_buffer += ""; str_buffer +=""; str_buffer += dt_current_day.getDate(); str_buffer +=""; } str_buffer +="
"; return str_buffer; } // datetime parsing and formatting routines. modify them if you wish another datetime format function str2dt (str_datetime) { var re_date = /^(\d+)\-(\d+)\-(\d+)$/; if (!re_date.exec(str_datetime)) return false; return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1)); } function dt2dtstr (dt_datetime) { var month = dt_datetime.getMonth()+1; if (month < 10) month = "0"+month; var date = dt_datetime.getDate(); if (date < 10) date = "0"+date; return (""+date+"-"+month+"-"+dt_datetime.getFullYear()); }