function getMonthYear(m, y)
{
	var url = "ajax/calendar.php?m="+m+"&y="+y;
	update(url);
}
function nextMonth()
{
	month = document.getElementById("hiddenmonth").value;
	year = document.getElementById("hiddenyear").value;
	var url = "ajax/calendar.php?m="+month+"&y="+year+"&w=next";
	update(url);
}
function prevMonth()
{
	month = document.getElementById("hiddenmonth").value;
	year = document.getElementById("hiddenyear").value;
	var url = "ajax/calendar.php?m="+month+"&y="+year+"&w=prev";
	update(url);
}

function update(url)
{
	var myAjax = new Ajax.Updater(
		'calendar', 
		url, 
		{
			method: 'get', 
			onFailure: foutmelding
		});
}

function updateAlbumnaam(url)
{
	var url = "ajax/albumname.php";
	var parms = "objecttype=" + $F("objecttype");
	var myAjax = new Ajax.Updater(
		'albumname', 
		url, 
		{
			parameters: parms,
			method: 'get',
			onFailure: foutmelding
		});
}

function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return pair[1];
		}
	} 
	return '';
}

function popup_open(img, w, h, name, text)
{
	var img = decodeURIComponent(img);
	var name = decodeURIComponent(name);
	var text = decodeURIComponent(text);
	var left = -10-w/2+'px';
	var top = -10-h/2+'px';
	var table_width = w+20;
	document.getElementById('hide').style.display='block';
	document.getElementById('popup').style.marginLeft=left;
	document.getElementById('popup').style.marginTop=top;
	document.getElementById('popup').style.width=w;
	document.getElementById('popup').style.height=h;
	document.getElementById('popup').innerHTML='<div id="popup_close"><table cellpading="0" cellspacing="0" border="0" width="' + table_width + '"><tr><td style="width: 10px; background-image: url(images/foto_l.gif);">&nbsp;</td><td style="text-align: left; background-image: url(images/foto_m.gif);">' + text + '</td><td style="width: 16px; text-align: right; background-image: url(images/foto_m.gif);"><a href="javascript:;" onclick="popup_close();"><img src="images/docmaniac_media/icons/icon_close.gif" style="margin-top: 2px;"></td><td width="10" style="background-image: url(images/foto_r.gif);">&nbsp;</td></tr></table></div><a href="javascript:;" onclick="popup_close();">' + img + '</a>';
	document.getElementById('popup').style.display='block';
}

function popup_close()
{
	document.getElementById('hide').style.display='none';
	document.getElementById('popup').style.display='none';
}

function foutmelding()
{
	alert("Er ging iets fout...");
}