function swapImgBlock(c,n){
	var a = document.getElementById('a_'+n);
	var s = document.getElementById('s_'+n);
	var t = document.getElementById('t_'+n);
	
	var cname_a = 'ibh_start_i_a';
	var cname_p = 'ibh_start_i_p';
	if(n == '1'){
		cname_a = 'ibh_start_l_a';
		cname_p = 'ibh_start_l_p';
	}
	if(n == '5'){
		cname_a = 'ibh_start_r_a';
		cname_p = 'ibh_start_r_p';
	}
	if(c == 1){
		a.className = cname_a;
		s.className = 'ibh_a';
		t.style.display = 'block';
	}
	else{
		a.className = cname_p;
		s.className = 'ibh_p';
		t.style.display = 'none';
	}	
}

function FensterOeffnen (Adresse,height,width) {
  MeinFenster = window.open(Adresse, "Zweitfenster", "width="+width+",height="+height+",left=100,top=200");
  MeinFenster.focus();
}