function changeListViewYear(year)
{
	var month = 1;
	if(document.getElementById('listViewSelectMonth').value)
	month = document.getElementById('listViewSelectMonth').value;
	
	self.location.href = 'index.php?month=' + month + '&year=' + year;
}

function changeListViewMonth(month)
{
	var year = 2011;
	if(document.getElementById('listViewSelectYear').value)
	year = document.getElementById('listViewSelectYear').value;
	
	self.location.href = 'index.php?month=' + month + '&year=' + year;
}

function showEventInfos(div)
{
	
	var duration = 0.6;

	var modal_overlay = div + 'modal_overlay';
	var modalwrapper = div + 'modalwrapper';

	var overlay = document.getElementById(modal_overlay);
	overlay.style.opacity = 0;
	overlay.style.display = 'block';
	

	var overlay_anim_data = { opacity: { to: 0.5 }};
	var overlay_anim = new YAHOO.util.Anim(modal_overlay, overlay_anim_data, duration, YAHOO.util.Easing.easeIn);
	overlay_anim.onComplete.subscribe(function () {
		overlay.style.opacity = 0.5;
	});
	overlay_anim.animate();

	
	var wrapper = document.getElementById(modalwrapper);
	wrapper.style.opacity = 0;
	wrapper.style.display = 'block';
	var wrapper_anim_data = { opacity: { to: 1 }};
	var wrapper_anim = new YAHOO.util.Anim(modalwrapper, wrapper_anim_data, duration, YAHOO.util.Easing.easeIn);
	wrapper_anim.onComplete.subscribe(function () {
		wrapper.style.opacity = 1;
	});
	wrapper_anim.animate();
}

function hideEventInfos(div)
{
	var duration = 0.3;

	var modal_overlay = div + 'modal_overlay';
	var modalwrapper = div + 'modalwrapper';
	
	var wrapper = document.getElementById(modalwrapper);
	var overlay = document.getElementById(modal_overlay);
	
	var overlay_anim_data = { opacity: { to: 0 }};
	var overlay_anim = new YAHOO.util.Anim(modal_overlay, overlay_anim_data, duration, YAHOO.util.Easing.easeIn);
	overlay_anim.onComplete.subscribe(function() {
		overlay.style.display = 'none';
	});
	
	var wrapper_anim_data = { opacity: { to: 0 }};
	var wrapper_anim = new YAHOO.util.Anim(modalwrapper, wrapper_anim_data, duration, YAHOO.util.Easing.easeIn);
	wrapper_anim.onComplete.subscribe(function() {
		wrapper.style.display = 'none';
	});
	
	wrapper_anim.animate();
	overlay_anim.animate();
}