function init()
{
    scrW = screen.width;				// Abfrage der maximalen Breite
    scrH = screen.height-25;			// Abfrage der maximalen Höhe
	window.outerHeight = screen.height;	// Höhe initialisieren
	window.outerWidth = screen.width;	// Breite initialisieren
    resizeTo( scrW, scrH );				// Breite und Höhe wird ausgegeben
    moveTo ( 0,0 )						// hier befindet sich die Positionsangabe
}

function m01_on()
{
	document.getElementById("oeffnung").style.visibility = "visible";
}

function m02_on()
{
	document.getElementById("bild1").style.visibility = "visible";
}

function m03_on()
{
	document.getElementById("bild2").style.visibility = "visible";
}

function m04_on()
{
	document.getElementById("bild3").style.visibility = "visible";
}

function m05_on()
{
	document.getElementById("bild4").style.visibility = "visible";
}

function m06_on()
{
	document.getElementById("bild5").style.visibility = "visible";
}

function m07_on()
{
	document.getElementById("bild6").style.visibility = "visible";
}

function m08_on()
{
	document.getElementById("bild7").style.visibility = "visible";
}

function m09_on()
{
	document.getElementById("bild8").style.visibility = "visible";
}

function m10_on()
{
	document.getElementById("bild9").style.visibility = "visible";
}

function m11_on()
{
	document.getElementById("bild10").style.visibility = "visible";
}

function m12_on()
{
	document.getElementById("bild11").style.visibility = "visible";
}

function m_off()
{
	document.getElementById("oeffnung").style.visibility = "hidden";
	document.getElementById("bild1").style.visibility = "hidden";
	document.getElementById("bild2").style.visibility = "hidden";
	document.getElementById("bild3").style.visibility = "hidden";
	document.getElementById("bild4").style.visibility = "hidden";
	document.getElementById("bild5").style.visibility = "hidden";
	document.getElementById("bild6").style.visibility = "hidden";
	document.getElementById("bild7").style.visibility = "hidden";
	document.getElementById("bild8").style.visibility = "hidden";
	document.getElementById("bild9").style.visibility = "hidden";
	document.getElementById("bild10").style.visibility = "hidden";
	document.getElementById("bild11").style.visibility = "hidden";
}

Fenster = null;
function hilfe_fenster(h_text)
{
	switch (h_text)
	{
		case "bezeichnung":
			name = "popup.php?help_id=1";
			break;
		case "kurzbezeichnung":
			name = "popup.php?help_id=2";
			break;
		case "art_id":
			name = "popup.php?help_id=3";
			break;
		case "d_beginn":
			name = "popup.php?help_id=4";
			break;
		case "d_ende":
			name = "popup.php?help_id=5";
			break;
		case "t_beginn":
			name = "popup.php?help_id=6";
			break;
		case "t_ende":
			name = "popup.php?help_id=7";
			break;
		case "beschreibung":
			name = "popup.php?help_id=8";
			break;
		case "oeffnungszeit":
			name = "popup.php?help_id=9";
			break;
		case "vorverkauf":
			name = "popup.php?help_id=10";
			break;
		case "vvk_email":
			name = "popup.php?help_id=11";
			break;
		case "eintritt":
			name = "popup.php?help_id=12";
			break;
		case "veranstalter":
			name = "popup.php?help_id=13";
			break;
		case "v_web":
			name = "popup.php?help_id=14";
			break;
		case "bild":
			name = "popup.php?help_id=15";
			break;
		case "alt_text":
			name = "popup.php?help_id=16";
			break;
		case "doku":
			name = "popup.php?help_id=17";
			break;
	}
	Fenster = window.open(name, "demo", "toolbar=no,menubar=no,top=10,left=10,width=400,height=300")
	Fenster.focus();
}

function hilfe_fenster_zu()
{
	if (Fenster != null)
		if (!Fenster.closed)
			Fenster.close();
}

/*
Funktionen für die Überprüfung des Fernleihe-Formulares
der Stadtbibliothek

Autor:    Rudolf Heitzer
Erstellt: 11.11.2004
Update:   
*/
function checkdata()
{
	var name    = document.fernleihe.famname.value;
	var ausweis = document.fernleihe.ausweis.value;
	var email   = document.fernleihe.email.value;
	var checked = true;
	var ctext    = "";
	var re_email = /^([_a-zA-Z0-9-]+)(\.[_a-zA-Z0-9-]+)*@([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,3})$/;
	if (name.length == 0)
	{
		ctext = "Das Feld Name muss einen Eintrag enthalten!\n";
		checked = false;
	}
	if (ausweis.length == 0)
	{
		ctext += "Das Feld Ausweis-Nummer muss einen Eintrag enthalten!\n";
		checked = false;
	}
	else
	{
		if (ausweis.length != 8)
		{
			ctext += "Das Feld Ausweis-Nummer ist falsch!\n";
			checked = false;
		}
	}
	if (email.length == 0)
	{
		ctext += "Das Feld E-Mail Adresse muss einen Eintrag enthalten!\n";
		checked = false;
	}
	else
	{
		if ((re_email.test(email)) == false)
		{
			ctext += "Die E-Mail Adresse ist falsch!\n";
			checked = false;
		}	
	}
	
	if (checked)
	{
		document.fernleihe.method  = "post";
		document.fernleihe.action  = "index.php?id=2224&chidden=1";
		document.fernleihe.chidden = 0;
		document.fernleihe.submit();
	}
	else
	{
		alert(ctext);
	}
	return checked;
}