//JavaScript - Login-handling
//All rights reserved - Copyright by medialink - v2.2a/31.01.2008
//---------------------------------------------------------------------------------------------------------------

self.name="main";


//-----rollover-section
if (document.images){
	var imageov = new Array();
	var imageof = new Array();

	imageov['intranet'] = new Image();
	imageov['intranet'].src = "resource/index_16ov.jpg";
	imageof['intranet'] = new Image();
	imageof['intranet'].src = "resource/index_16.jpg";
}

function imgov(i){
	if (document.images){
		document.images[i].src=imageov[i].src;
	}
}

function imgof(i){
	if (document.images){
		document.images[i].src = imageof[i].src;
	}
}



//-----capturing keyEvent
if (ns){
    //Netsacpe/Firefox/Mozilla
	document.captureEvents(Event.KEYPRESS);
	document.onkeypress = keyCheck;
}

function keyCheck(e){
	keyASC = (ns) ? e.which : event.keyCode;
	//Mac 13=return(N4M/E5M), 13=return+enter (Moz121M), 3=enter(N4M/E5M); Win 13=return+enter; 0=TAB (Moz121M)
	if ((keyASC == 13) || (keyASC == 3)){
		formSend();
	}	
}



//-----browsercheck
if (!w3c){
	top.location.href = "/errors/browserFailed.html";
}



//-----cookie-functions
//Derived from the Bill Dortch code at http://www.hidaho.com/cookies/cookie.txt
//Adapted by mediaLINK Switzerland - Version 1.0 / 22.09.2001
//-----------------------------------------------------------------------------------
var today = new Date();
var expiry = new Date(today.getTime() + 365 * 24 * 60 * 60 * 1000);

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1) { endstr = document.cookie.length; }
	return unescape(document.cookie.substring(offset, endstr));
	}

function GetCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg) {
			return getCookieVal (j);
			}
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
		}
	return null;
	}

function DeleteCookie(name,path,domain) {
	if (GetCookie(name)) {
		document.cookie = name + "=" +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
		}
	}

function SetCookie(name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
	}

var cookieOK = false;
function cookieCheck(){
	SetCookie("cookieChecker","CheckingForCookieFunction",0,"/");
	if (GetCookie("cookieChecker") != null){
		cookieOK = true;
		if (GetCookie("kmeIntranetSessionID") != null){
			DeleteCookie("kmeIntranetSessionID","/");
		}
	}else{
		top.location.href = "/errors/nocookies.html";
	}
}
cookieCheck();



//-----various functions
function defocus(t){
	if (t.blur){t.blur()}
}

function formSend(){
	if ((document.login.vt_benutzerID.value=='') || (document.login.vt_passwort.value=='')){
		alert('Es fehlt die Eingabe von Benutzer-ID oder Passwort!');
	}else{
		document.login.submit();
	}
}


function passwordlost(){
	if (document.login.vt_benutzerID.value==''){
		alert('Geben Sie bitte vorab Ihren Benutzernamen ein.');
	}else{
		var d = new Date();
		var ms = d.getMilliseconds();
		top.location.href = "/errors/passwordlost.html?query=" + document.login.vt_benutzerID.value + "&random=" + ms ;
	}
}


//--- end of script