function popwindow(address,width,height)
{
    var window_url = address;
    var window_name = "window_name";
    var window_features = "height="+height+",width="+width+",toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,copyhistory=0,top=100,left=100";
     window.open(window_url,window_name,window_features);
}

function changeto(highlightcolor)
{
     source=event.srcElement
     if (source.tagName=="TR"||source.tagName=="TABLE")
     return
     while(source.tagName!="TD")
     source=source.parentElement
     if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore")
     source.style.backgroundColor=highlightcolor
}

function changeback(originalcolor)
{
     if (event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore")
     return
     if (event.toElement!=source)
     source.style.backgroundColor=originalcolor
}

function changeAttendance()
{
     // reload the page with the date changed to highlighted
     day      = document.attendanceForm.day.value;
     month      = document.attendanceForm.month.value;
     year      = document.attendanceForm.year.value;

     window.location = "index.php?template=tools/take_attendance.php&day="+day+"&month="+month+"&year="+year+"";}

function selectAll(formObj, isInverse)
{
   for (var i=0;i < formObj.length;i++)
   {
      fldObj = formObj.elements[i];
      if (fldObj.type == 'checkbox')
      {
         if(isInverse)
            fldObj.checked = (fldObj.checked) ? false : true;
         else fldObj.checked = true;
       }
   }
}

function doIt(v)
{
 for(var i=0;i<document.f1.c1.length;i++)
   document.f1.c1[i].checked=eval(v);
 for(var i=0;i<document.f1.c2.length;i++)
   document.f1.c2[i].checked=eval(v);
 document.f1.c3.checked=false;
 document.f1.c4.checked=false;
}

 function CountDown(path)//
 {
     warnTime = 60000 * 29; // number of minutes until timeout window pops up
     warnMe = setTimeout('RunDown(path)', warnTime); //
 }

 function RunDown(path)//
 {
     // watch url on live site, may not need the /hap/
	 exp_url = path + "/includes/expire_warning.php"
     popwindow(exp_url,260,120); //
 }

 function Continue()
 {
     self.close();
     opener.location.reload();
 }

 function LastMinute()
 {
     closeMe = setTimeout('EndNow()', 60000);
 }

 function EndNow()
 {
     self.close();
     opener.location = "../index.php?action=do_logout&auto=1";
 }

 
 function printDate()
{
  today = new Date();
  mnt=today.getMonth()+1;
  day=today.getDate();
  if (mnt=="1"){month="January"}
  if (mnt=="2"){month="February"}
  if (mnt=="3"){month="March"}
  if (mnt=="4"){month="April"}
  if (mnt=="5"){month="May"}
  if (mnt=="6"){month="June"}
  if (mnt=="7"){month="July"}
  if (mnt=="8"){month="August"}
  if (mnt=="9"){month="September"}
  if (mnt=="10"){month="October"}
  if (mnt=="11"){month="November"}
  if (mnt=="12"){month="December"}
  if (day=="1"){end="st"}
  if (day=="2"){end="nd"}
  if (day=="3"){end="rd"}

  document.write(""+month+" "+day+", "+today.getYear());
}

// below here is the date picker code... hate putting all that html in it, but what the heck it was free right?

 
// Title: Timestamp picker
// Description: See the demo at url
// URL: http://us.geocities.com/tspicker/
// Script featured on: http://javascriptkit.com/script/script2/timestamp.shtml
// 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=\"img/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=\"img/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:window.opener."+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:window.opener."+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\">"+
		//"Time: <input type=\"text\" name=\"time\" value=\""+dt2tmstr(dt_datetime)+
		//"\" 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+)$/;	
	//var re_date = /^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/;
	if (!re_date.exec(str_datetime))
		return alert("Invalid Datetime format: "+ str_datetime);
	return (new Date (RegExp.$3, RegExp.$1-1, RegExp.$2, RegExp.$4, RegExp.$5, RegExp.$6));
}
function dt2dtstr (dt_datetime) {
	return (new String (
			// dt_datetime.getFullYear()+"-"+(dt_datetime.getMonth()+1)+"-"+dt_datetime.getDate()+" "));
			(dt_datetime.getMonth()+1)+"-"+dt_datetime.getDate()+"-"+dt_datetime.getFullYear()));
}
function dt2tmstr (dt_datetime) {
	return (new String (
			dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}