Timestamp Picker – Chooses Date

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This will popup a small calendar that allows your clients to choose a day.

Body Code:

<script>
// Title: Timestamp picker
// Description: See the demo at url
// URL: http://us.geocities.com/tspicker/
// Version: 1.0
// Date: 12-05-2001 (mm-dd-yyyy)
// Author: Denis Gritcyuk <denis@softcomplex.com>; <tspicker@yahoo.com>
// Notes: Permission given to use this script in any kind of applications if
//    header lines are left unchanged. Feel free to contact the author
//    for feature requests and/or donations

function show_calendar(str_target, str_datetime) {
   var arr_months = ["January", "February", "March", "April", "May", "June",
      "July", "August", "September", "October", "November", "December"];
   var week_days = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
   var n_weekstart = 1; // 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 (
      "<html>n"+
      "<head>n"+
      "   <title>Calendar</title>n"+
      "</head>n"+
      "<body bgcolor="White">n"+
      "<table class="clsOTable" cellspacing="0" border="0" width="100%">n"+
      "<tr><td bgcolor="#4682B4">n"+
      "<table cellspacing="1" cellpadding="3" border="0" width="100%">n"+
      "<tr>n   <td bgcolor="#4682B4"><a href="javascript:window.opener.show_calendar('"+
      str_target+"', '"+ dt2dtstr(dt_prev_month)+"');">"+
      "<img src="http://www.js-examples.com/data/ex_1092/prev.gif" width="16" height="16" border="0""+
      " alt="previous month"></a></td>n"+
      "   <td bgcolor="#4682B4" colspan="5">"+
      "<font color="white" face="tahoma, verdana" size="2">"
      +arr_months[dt_datetime.getMonth()]+" "+dt_datetime.getFullYear()+"</font></td>n"+
      "   <td bgcolor="#4682B4" align="right"><a href="javascript:window.opener.show_calendar('"
      +str_target+"', '"+dt2dtstr(dt_next_month)+"');">"+
      "<img src="http://www.js-examples.com/data/ex_1092/next.gif" width="16" height="16" border="0""+
      " alt="next month"></a></td>n</tr>n"
   );

   var dt_current_day = new Date(dt_firstday);
   // print weekdays titles
   str_buffer += "<tr>n";
   for (var n=0; n<7; n++)
      str_buffer += "   <td bgcolor="#87CEFA">"+
      "<font color="white" face="tahoma, verdana" size="2">"+
      week_days[(n_weekstart+n)%7]+"</font></td>n";
   // print calendar table
   str_buffer += "</tr>n";
   while (dt_current_day.getMonth() == dt_datetime.getMonth() ||
      dt_current_day.getMonth() == dt_firstday.getMonth()) {
      // print row heder
      str_buffer += "<tr>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 += "   <td bgcolor="#FFB6C1" align="right">";
            else if (dt_current_day.getDay() == 0 || dt_current_day.getDay() == 6)
               // weekend days
               str_buffer += "   <td bgcolor="#DBEAF5" align="right">";
            else
               // print working days of current month
               str_buffer += "   <td bgcolor="white" align="right">";

            if (dt_current_day.getMonth() == dt_datetime.getMonth())
               // print days of current month
               str_buffer += "<a href="javascript:opener.document.getElementById('"+str_target+
               "').value='"+dt2dtstr(dt_current_day)+"'; window.close();">"+
               "<font color="black" face="tahoma, verdana" size="2">";
            else
               // print days of other months
               str_buffer += "<a href="javascript:opener.document.getElementById('"+str_target+
               "').value='"+dt2dtstr(dt_current_day)+"'; window.close();">"+
               "<font color="gray" face="tahoma, verdana" size="2">";
            str_buffer += dt_current_day.getDate()+"</font></a></td>n";
            dt_current_day.setDate(dt_current_day.getDate()+1);
      }
      // print row footer
      str_buffer += "</tr>n";
   }
   // print calendar footer
   str_buffer +=
      "<form name="cal">n<tr><td colspan="7" bgcolor="#87CEFA">"+
      "<font color="White" face="tahoma, verdana" size="2">"+
      "<input type="hidden" name="time" value=""+
      "" size="8" maxlength="8"></font></td></tr>n</form>n" +
      "</table>n" +
      "</tr>n</td>n</table>n" +
      "</body>n" +
      "</html>n";

   var vWinCal = window.open("", "Calendar",
      "width=200,height=200,status=no,resizable=yes,top=200,left=200");
   vWinCal.opener = self;
   var calc_doc = vWinCal.document;
   calc_doc.write (str_buffer);
   calc_doc.close();
}
// datetime parsing and formatting routimes. modify them if you wish other datetime format
function str2dt (str_datetime) {
   var re_date = /^(d+)/(d+)/(d+)s+$/;
   if (!re_date.exec(str_datetime))
      return alert("Invalid Datetime format: "+ str_datetime);
   return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
}
function dt2dtstr (dt_datetime) {
   return (new String (
         dt_datetime.getDate()+"/"+(dt_datetime.getMonth()+1)+"/"+dt_datetime.getFullYear()+" "));
}
</script>
<form name=f1>
<input id="mydate2" type=text name=mydate>
</form>
<script>
document.f1.mydate.value="starting";
show_calendar("mydate2");
</script>

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