var Images = new Array();
var sec = 15000;
var div_id = 'slideshow';
var div_idd = 'dummy';

Images[0] = 'slide_palme.jpg';
Images[1] = 'slide_bluemchen.jpg';
Images[2] = 'slide_sohlen.jpg';

function change(i,j) {
	if ( j == 1 ) {
		document.getElementById(div_idd).style.background = 'url("http://www.cedrina.de/skin/frontend/default/blank/images/header/slideshow/'+Images[i+1]+'")';
	}
	document.getElementById(div_id).style.background = 'url("http://www.cedrina.de/skin/frontend/default/blank/images/header/slideshow/'+Images[i]+'")';
	i++;
	if( i > (Images.length - 1) ) { 
		i = 0;
		j = 0;
	}
	setTimeout('change('+i+','+j+')',sec);
}
change(0,1);