// 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) {
alert('HELL0 1');
	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));
//alert('dt_datetime :  ' + dt_datetime);
	var dt_prev_month = new Date(dt_datetime);
//alert('dt_prev_month :  ' + dt_prev_month);
	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"+
                "<table cellspacing=\"0\" border=\"0\" width=\"100%\">\n"+
		//"<tr><td bgcolor=\"#4682B4\">\n"+
                "<tr><td bgcolor=\"#64CDB6\">\n"+
		"<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\">\n"+
		//"<tr>\n	<td bgcolor=\"#4682B4\"><a href=\"javascript:window.opener.show_calendar('"+
		"<tr>\n	<td bgcolor=\"#64CDB6\"><a href=\"javascript:window.opener.show_calendar('"+
		//str_target+"', '"+ dt2dtstr(dt_prev_month)+"'+document.cal.time.value);\">"+
                str_target+"', '"+ dt2dtstr(dt_prev_month)+"');\">"+
		"<img src=\"assets\\global\\grey_arrow.gif\" width=\"16\" height=\"16\" border=\"0\""+
		" alt=\"previous month\"></a></td>\n"+
		//"	<td bgcolor=\"#4682B4\" colspan=\"5\">"+
		"	<td bgcolor=\"#64CDB6\" colspan=\"5\">"+
		//"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"
                "<font color=\"black\" style=\"font-weight:bold;text-align:center;\" 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('"
		"	<td bgcolor=\"#64CDB6\" align=\"right\"><a href=\"javascript:window.opener.show_calendar('"
		//+str_target+"', '"+dt2dtstr(dt_next_month)+"'+document.cal.time.value);\">"+
                +str_target+"', '"+dt2dtstr(dt_next_month)+"');\">"+
		"<img src=\"assets\\global\\green_arrow.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\">"+
                str_buffer += "	<td bgcolor=\"#AFE8DC\">"+
		//"<font color=\"white\" face=\"tahoma, verdana\" size=\"2\">"+
                "<font color=\"black\" style=\"font-weight:bold;\" 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\">";
					str_buffer += "	<td bgcolor=\"#F1FBF9\" 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)+"'+document.cal.time.value; window.close();\">"+
                                        ".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)+"'+document.cal.time.value; window.close();\">"+
                                        ".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=250,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+(\d+)\:(\d+)\:(\d+)$/;
        var re_date = /^(\d+)\/(\d+)\/(\d+)$/;
	if (!re_date.exec(str_datetime)) {
                alert("Invalid Datetime format: "+ str_datetime + "\n(valid format is dd/mm/yyyy)");
		return (new Date());
        } else {
            if (RegExp.$1 > 31 || RegExp.$1 < 1) {
                    alert("Invalid Day: "+ RegExp.$1);
                    return (new Date());
            }
            if (RegExp.$2 > 12 || RegExp.$2 < 1) {
                    alert("Invalid Month: "+ RegExp.$2);
                    return (new Date());
            }
            if (RegExp.$3 < 1900) {
                    alert("Invalid Year: "+ RegExp.$3);
                    return (new Date());
            }
        }
	//return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1, RegExp.$4, RegExp.$5, RegExp.$6));
        return (new Date (RegExp.$3, RegExp.$2-1, RegExp.$1));
}

function dt2dtstr (dt_datetime) {
var monthNames = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
day=dt_datetime.getDate();
month=(dt_datetime.getMonth()+1);
if(day<10) day = "0" + day
if(month<10) month = "0" + month
	return (new String (
                        day+"/"+month+"/"+dt_datetime.getFullYear()));
			//day+"-"+month+"-"+dt_datetime.getFullYear()+" "));
}
function dt2tmstr (dt_datetime) {
	return (new String (
			dt_datetime.getHours()+":"+dt_datetime.getMinutes()+":"+dt_datetime.getSeconds()));
}



	function popUp(URL) {
		day = new Date();
		id = day.getTime();
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=400,height=500');");
	}
	
	function submitForm(f) {
		w = window.open(f.action, "Preview", 'toolbar=yes, location=no, menubar=no, scrollbars=yes, resizable=yes, width=800, height=300');
		w.focus();
		f.submit();
	}

	function confirmSubmit()
    {
        var agree=confirm("Are you sure you want to continue?");
    if (agree)
        return true ;
    else
        return false ;
    }