function setfocus() {
document.formu.act.focus();
}

function c3_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function c3_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.c3_pgW=innerWidth; document.c3_pgH=innerHeight; onresize=c3_reloadPage; }}
  else if (innerWidth!=document.c3_pgW || innerHeight!=document.c3_pgH) location.reload();
}
c3_reloadPage(true);

function c3_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=c3_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function c3_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=c3_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=c3_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- im feld '+nm+' muesste eine email-adresse stehen...\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' fehlt...\n'; }
  } if (errors) alert('moment mal:\n\n'+errors);
  document.c3_returnValue = (errors == '');
}
function changeBox(cbox) {
box = eval(cbox);
box.checked = !box.checked;
}

// Centered top Popup Windows / cr / v1.1 / 2001-01-30
// Aufruf mit: <a href="/html-xml-css/template_webprojekt/home.html" onClick="c3_PopupWindow(this.href,'name','toolbar=yes,location=no,status=no,menubar=yes,scrollbars=yes,resizable=yes','600','400') ;return false; " target="name">Link</a>
// 'name' und Eigenschaften ('toolbar=yes,ecc.) anpassen!

var c3_Window = null;
// hoeherstellen (Toolbar 28 und Browsertopleiste ca. 24 ) - Achtung! abhaengig von Features und Browser...
var popWinHigher = 28 + 24;

function c3_PopupWindow(popWinURL,popWinName,popWinFeatures,popWinWidth,popWinHeight)
 {
   popWinx = (((window.screen.height - popWinHigher) / 2) - (popWinHeight / 2));
   popWiny = ((window.screen.width / 2) - (popWinWidth / 2));

   popWinAttributes = popWinFeatures + ',width='+popWinWidth+',height='+popWinHeight+',top='+popWinx+',left='+popWiny;
  
	c3_Window = window.open(popWinURL,popWinName,popWinAttributes);   
	c3_Window.window.focus();
 }