function MM_openBrWindow(theURL,winName,features) { //v2.0 
window.open(theURL,winName,features); 
} 

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function MM_openBrWindow2(theURL) { //v2.0 
window.open(theURL, "Zweitfenster", "width=300,height=400,left=100,top=200"); 
} 


function pruefFormular() { 
    // Prüfe E-Mail Adresse
	if (document.newsletter.email.value.indexOf) {
	   var Ausdruck = /((.+){2,})(@)(\b.+\b)(\.)(\\w){2,3}/i;
	   var Ergebnis = document.newsletter.email.value.search(Ausdruck);
       if(Ergebnis != 0) {
       alert("Keine gültige E-Mail Adresse!");
      document.newsletter.email.focus();
     return false;
	 }
	}
  }