<!--
//
//           this site is supported by
//
//           think a Bit x-media communications
//           print | web | video
//
//           http://www.thinkabit.net
//           office@thinkabit.net
//
//-->


var nav=getNav();


function getNav()

	{

	var s = navigator.userAgent;

	if (s.lastIndexOf("Opera") > -1)

		return("Opera");

	if (s.lastIndexOf("Gecko") > -1 )

		return("N6");

	if (document.layers)

		return("NC4");

	if (s.lastIndexOf("MSIE ") > -1)

		return("MSIE");

	return("unknown");

	}


function getRef(elem)

	{

	var ref;


//	document.getElementById("cmt").innerHTML="element: "+elem+" nav:"+nav+"\n";

	
	switch(nav)

		{

		case "NC4": 

			ref = eval("document."+elem);

			break;

		case "N6": 

			ref = eval(document.getElementById(elem));

			break;

		case "Opera": 

			ref = eval(document.getElementById(elem));

			break;

		case "MSIE": 

			ref = eval(document.getElementById(elem));

//			ref = eval("document.all."+elem);

			break;

		}

	return(ref);

	}

var oes, req, logged, user;

var login='';

var exc=false;
var clsexc=false;

initKey();


function setEdit()
	{
	req=window.setInterval('chkReq()', 30000);
	}

function clsEdit()
	{
	window.clearInterval(req);
	if (clsexc)
		clsexc=false;
	else 
		getRef('remote').src='chkreq.php?do=clsedit';
	}

function setClsExc()
	{
	clsexc=true;
	}

function chkLog()
	{
	if (login && !login.closed) 
		login.focus();
	}

function chkOpen()
	{
	if (oes)
//		alert('oes.close');
		oes.close();
	}

function setLogin()
	{
	logged=window.setInterval('chkLogin()', 240000);
	}

function clrLogin()
	{
	window.clearInterval(logged);
	}

function chkLogin()
	{
	getRef('remote').src='chkreq.php?do=chklog';
	}

function leave()
	{
//	alert('user:'+user+' exc:'+exc);
	if (exc)
		exc=false;
	else if (user)
		{
		clrLogin();
		login=window.open("login.php?logoff=auto", "_blank", "width=300,height=300,left=100,top=100, scrollbars=no, toolbar=no, status=no, resizable=no, menubar=no, location=no, dependent=yes"); 
		chkOpen();
		user=0;
		}
	}

function chkReq()
	{
	getRef('remote').src='chkreq.php';
	}

function initKey()
	{
	switch(nav)
		{
		case "NC4": 
			document.captureEvents('onkeydown', keydown); 
			break;
		case "N6": 
			window.captureEvents(Event.KEYPRESS);
			window.onkeypress = keydn;
			break;
		case "Opera": 
			document.attachEvent('onkeydown', keydown); 
			break;
		case "MSIE": 
			document.attachEvent('onkeydown', keydn); 
			break;
		default:
			alert("Sorry, Ihr Browser ("+nav+") wird noch nicht unterstützt. Bitte verwenden Sie den Internet Explorer oder den Netscape Navigator.");
			close();
			break;
		}
	}

function keydn(evnt)
	{ 
	switch(nav)
		{
		case "NC4": 
			var key = evnt.which; 
			break;
		case "N6": 
			var key = evnt.which;
			if (key>32 && key<37 || key==38 || key==40) return ;
			if (key==49 && (evnt.ctrlKey))
				{
				if (user)
					{
					if (!oes || oes.closed)
						{
						oes=window.open("newedit.php", "_blank", "width=800,height=600,left=100,top=100, scrollbars=no, toolbar=no, status=no, resizable=yes, menubar=no, location=no, dependent=yes"); 
//						setEdit();
						}
					else if (oes)
						oes.focus();
					}
				else
					login=window.open("login.php", "_blank", "width=300,height=300,left=100,top=100, scrollbars=no, toolbar=no, status=no, resizable=no, menubar=no, location=no, dependent=yes"); 
				}
			else if (key==81)
				login=window.open("login.php", "_blank", "width=300,height=300,left=100,top=100, scrollbars=no, toolbar=no, status=no, resizable=no, menubar=no, location=no, dependent=yes"); 
			break;
		case "Opera": 
			var key = evnt.which;
			break;
		case "MSIE": 
			var key = event.keyCode;
			if (key>32 && key<37 || key==38 || key==40) return ;
//			alert (key);
			if ((event.ctrlKey) && (key==73))
				{ 
				if (event.shiftKey && user)
					{
					oes=window.open("edit.php", "_blank", "width=800,height=600,left=100,top=100, scrollbars=yes, toolbar=no, status=no, resizable=yes, menubar=no, location=no, dependent=yes"); 
					}
				}
			if ((event.ctrlKey) && (key==81))
				{ 
				if (event.shiftKey && user)
					{
					if (!oes || oes.closed)
						{
						oes=window.open("newedit.php", "_blank", "width=800,height=600,left=100,top=100, scrollbars=no, toolbar=no, status=yes, resizable=yes, menubar=no, location=no, dependent=yes"); 
//						setEdit();
						}
					else if (oes)
						oes.focus();
					}
				else
					login=window.open("login.php", "_blank", "width=300,height=300,left=100,top=100, scrollbars=no, toolbar=no, status=no, resizable=no, menubar=no, location=no, dependent=yes"); 
				}
			break;
		default:
			alert(nav);
			break;
		}
	}