// aktiverer slideshows
function aktiver_slideshows(){
 $('.slideshow').each(function(){
		$(this).cycle({ 
    fx:'fade', 
    speed:2500, 
    timeout:2500,
    random:1
   });
	});
}

function opdater_spalte1(){
 data = window.frames['spalte1_holder'].window.document.body.innerHTML;
 document.getElementById('spalte1').innerHTML = data;
}

function opdater_spalte3(){
 data = window.frames['spalte3_holder'].window.document.body.innerHTML;
 document.getElementById('spalte3').innerHTML = data; 
}

function opdater_spalte4(){
 data = window.frames['spalte4_holder'].window.document.body.innerHTML;
 document.getElementById('spalte4').innerHTML = data;
}