function checkjs()
{
	var js;
	document.getElementById("nojs").innerHTML = "";
}

function popup_large(URL,x,y)
{
	display_lg = window.open("index_large.php?display="+URL,"neu","width=" + x + ",height= "+y+",resizable=no,menubar=0,locationbar=0,scrollbars=0"); 
}

function showbooks(URL,display)
{
	books = window.open("index_books.php?cat="+URL+"&display="+display,"neu","width=800,height=600,resizable=no,menubar=0,locationbar=0,scrollbars=0"); 
}

function showmisc(URL,display,xy)
{
	books = window.open("index_"+URL+".php?cat="+URL+"&display="+display,"neu",xy+",resizable=no,menubar=0,locationbar=0,scrollbars=0"); 
}

function superframe(cat)
{
	super_frame = window.open("index_super.php?cat="+cat,"superframe","width=970,height=620,resizable=no,menubar=0,locationbar=0,scrollbars=yes"); 
}

function contact_ok(letter)
{
	var send_button;
	send_button = 0;
	if (document.Kontakt.email.value) {
		if (document.Kontakt.email.value.search('@') != -1) { send_button = send_button + 1; }
	}
	if (document.Kontakt.subject.value) { send_button = send_button + 1; }
	if (document.Kontakt.message.value) { send_button = send_button + 1; }
	if (send_button == 3) {
		document.getElementById("send_ok").innerHTML = "<a href=\"#\" onFocus=\"this.blur();\" onClick=\"document.Kontakt.submit();\">Send?</a>";
	} else {
		document.getElementById("send_ok").innerHTML = "send";
	}
}