var x = document.getElementById('calendar'),	
	x2 = document.getElementById('calendar-sidebar'),
	link = x.href,
	image=document.getElementById('calendar-image'),
	els = link.split('/'),
	img_link = 

	months=['Januar','Februar','Maerz','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember'],
	d = new Date(),
	month = months[d.getMonth()];
els.pop();
els.push(month+'.html');
var link = els.join('/');
if(x) x.href=link;
if(x2) x2.href=link;
if(image) {
	var img_src =  image.src,
		parts = img_src.split('.jpg');
	
	image.src=parts[0]+'-'+month+'.jpg';
}