function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }

function draw_calendar() {

	$.ajax({
		url: 'dates.php',
		data: 'action=showdates',
		dataType: 'json',
		success: function(calendarEvents){ 
			$('.calendarwidget').datepicker({
				// [rows, columns] if you want to display multiple calendars.                         
				numberOfMonths: [1, 1],
				showCurrentAtPos: 0,
				beforeShowDay: function (date){
					for (i = 0; i < calendarEvents.length; i++) {
						if (date.getMonth() == calendarEvents[i][0] - 1 
							&& date.getDate() == calendarEvents[i][1]
							&& date.getFullYear() == calendarEvents[i][2]) {
							//[disable/enable, class for styling appearance, tool tip]
							return [true,calendarEvents[i][4],calendarEvents[i][3]]; 
						}
					}
					return [true, ''];//enable all other days
				},
				onSelect: function(dateText, inst) {
					draw_calendarinfo($(this).datepicker('getDate'));
				}
			});
		}
	});
	
}


function draw_calendarinfo(dateObj) {

	dateObj.setMinutes(dateObj.getMinutes() - dateObj.getTimezoneOffset());
	$.ajax({
		url: 'dates.php',
		data: 'action=showinfo&timestamp=' + (dateObj.getTime() * 0.001),
		dataType: 'json',
		success: function(calendarinfo){ 
			$('#calendarinfo').html(calendarinfo[0]);
		}
	});
	//alert(dateObj.getTime() * 0.001);

}