function bildpopup(pict,breite,hoehe) {
  look = "screenX=0,screenY=0,locationbar=no,menubar=no,resizable=no,status=no";
  neuWin = window.open('show.php?pic='+pict, 'picpop', 'width='+breite+', height='+hoehe+', '+look);
  neuWin.focus();
  }

var anzahl = 7;
var nummer = Math.random() ;
var txt = Math.round( (anzahl-1) * nummer) + 1 ;
text = new Array

text[1] = "adsens1.jpg";
text[2] = "adsens3.jpg";
text[3] = "adsens5.jpg";
text[4] = "adsens7.jpg";
text[5] = "adsens9.jpg";
text[6] = "adsens10.jpg";
text[7] = "adsens13.jpg";
var bg = text[txt]

text2 = new Array
text2[1] = "adsens2.jpg";
text2[2] = "adsens6.jpg";
text2[3] = "adsens4.jpg";
text2[4] = "adsens8.jpg";
text2[5] = "adsens11.jpg";
text2[6] = "adsens12.jpg";
text2[7] = "adsens14.jpg";

var bg2 = text2[txt]

function newslvalidate() {
var str = document.newsl.myemail.value;
if (str.indexOf ('@', 0) == -1 || str.length < 7 || str.indexOf
('.',0) == -1){
	alert("\nBitte überprüfen Sie Ihre E-Mail-Adresse.");
	document.newsl.myemail.select();
	document.newsl.myemail.focus();
	return false;
		}
}