if (navigator.userAgent.indexOf('Mac')==-1) 
{
	document.write('<style type="text/css" media="screen">\@import url("/advanced.css")\;</style><link rel="stylesheet" href="/general.css" media="screen" />');
}
else 
{
	document.write('<style type="text/css" media="screen">\@import url("/styles_mac.css")\;</style><link rel="stylesheet" href="/general.css" media="screen" />');
}


function butOn(button, pos)
{ 
	if (document.images && button.length > 0) 	
	{
		document.images[button].src = '/images/nav_' + button + '_on.png'; 		
	}
} 

function butOff(button)
{ 
	if (document.images) 
	{
		 document.images[button].src = '/images/nav_' + button + '_off.png'; 
	}
}


var win;
function openWin(url,width,height,scrollbars)
	{
		var posx = screen.width/2 - width/2;  
		var posy = screen.height/2 - height/2;
		var propsZ=(document.all)?('top=' + posy + ',left=' + posx):('screenX=' + posx + ',screenY=' + posy);
		var props = 'width=' + width + ',height=' + height + ',scrollbars=' +scrollbars + ',' + propsZ;
		
		if ( win && !win.closed )
			alert( 'Ein Bearbeitungsfenster ist bereits offen.\nSchliessen Sie bitte das Fenster bevor Sie fortfahren.' );
		else
		{
			win = window.open(url, "", props);			
		}
	}	

function writeSubnav(pos)
{
	if ( document.layers && document.submenu_ns )
	{
		document.submenu_ns.top = 110;
		document.submenu_ns.left = findLeft(450);
		with(document.submenu_ns.document)
		{
			open();
			write('<span class="txtSmallBlack">');
			write(cats[pos]);
			write('</span>');
			close();
		}
	}
	
	else if ( document.all && document.all.submenu )
	{
		document.all.submenu.innerHTML = cats[pos];
	}
	
	else if ( document.documentElement && document.getElementById('submenu') )
	{
		document.getElementById('submenu').innerHTML = cats[pos];
	}
}