function fillscreen(group){

	self.moveTo(0,0);
	self.resizeTo(screen.availWidth,screen.availHeight);
	
	if(group == 'commercial'){
		breite=screen.availWidth;
		hoehe=screen.availHeight;
		url='comm_portfolio.html';
	} else if(group == 'editorial') {
		breite=screen.availWidth;
		hoehe=screen.availHeight;
		url='edit_portfolio.html';
	}
	params = 'width='+breite+',height='+hoehe;
	window.open(url,'stefankubli',params);
}