/* Browser checken (aber genau) */
var ns4_fm = false;	// Variable nur Netscape 4
var ns6_fm = false;	// Variable nur Netscape 6
var ie4_fm = false;	// Variable nur MS-Explorer 4
var ie5_fm = false;	// Variable nur MS-Explorer 5 und hoeher
var ope_fm = false;	// Variable nur Netscape 6

if(navigator.userAgent.indexOf("Opera")==-1)
{
if(document.layers) //NS4
ns4_fm=true;
else if(document.all&&!document.getElementById)
ie4_fm=true;
else if(document.all&&document.getElementById)//IE5 und>
ie5_fm=true;
else if(document.getElementById&&!document.all)//NS6/Mozilla
ns6_fm=true;
}
else
{
ope_fm=true;
}

//Ermittlung der Herkunftsseite
var url_org = window.location.href;
var slasch_suche = url_org.lastIndexOf("/");
var url_seite = url_org.slice(slasch_suche+1,url_org.length-13); //hier stecken die ersten 8-Zeichen dieser Seite drinne

if((ie4_fm || ie5_fm || ns6_fm) && !(ns4_fm || ope_fm))
{
document.write('<script language="JavaScript1.2" src="/menus3.js">');
}
else if(ns4_fm || ope_fm)
{
document.write('<script language="JavaScript1.2" src="/menus4.js">');
}
document.write("</script>");

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function checkForm(){
	if(document.webmail.mail_user.value == ""){
		alert("Das Feld Benutzername darf nicht leer sein.");
		document.webmail.mail_user.focus();
		return false;
	}
	if(document.webmail.mail_password.value == ""){
		alert("Das Feld Passwort darf nicht leer sein.");
		document.webmail.mail_password.focus();
		return false;
	}
}

function t_check() {
	var fenster20;
	fenster20=open("/t_dsl_check.htm","T_DSL_Check","width=790,height=500,resizable=yes,scrollbars=yes,left=50,top=100");
	fenster20.focus();
}