function msearch_button() {
  var search = 0;
  var sstring = "";
  var name = document.getElementsByName('msea_name')[0].value;
  if( name.length > 0 ) {
    sstring = "aname="+name;
    search = 1;
  }

  var branche = document.getElementsByName('msea_branch');
  if( branche.length > 0 ) {
    bs = "";
    bsp = "";
    for( var i = 0; i < branche.length; i++ ) {
      if( branche[i].checked ) {
        bs = bs + bsp + branche[i].value;
        bsp = ",";
      }
    }
    var ssp = "";
    if( bs.length > 0 ) {
      if( sstring.length > 0 ) { ssp = "&"; }
      sstring = sstring + ssp + "abranche="+bs;
    }
  }

  var region = document.getElementsByName('msea_region');
  if( region.length > 0 ) {
    rs = "";
    rsp = "";
    for( var i = 0; i < region.length; i++ ) {
      if( region[i].checked ) {
        rs = rs + rsp + region[i].value;
        rsp = ",";
      }
    }
    var ssp = "";
    if( rs.length > 0 ) {
      if( sstring.length > 0 ) { ssp = "&"; }
      sstring = sstring + ssp + "aregion="+rs;
    }
  }

  document.location.href = "?content=mitglieder_verzeichnis&"+sstring;
}