//browserweiche
	
	var agent = navigator.userAgent.toLowerCase();

	mac = (agent.indexOf('mac') != -1);
	pc = (agent.indexOf('mac') == -1);


//rolloverfunction
	function rollover(){
		if(preloadfertig == true){
			for(i=0;i<rollover.arguments.length;i+=2){
			window.document.images[rollover.arguments[i]].src = rollover.arguments[i+1];
			}
		}
	}
	
	var img = new Array();
	var preloadfertig = false;

// preloadfunction
	function preload(){
	for(i=0;i<preload.arguments.length;i++){
		img[i] = new Image();
		img[i].src = preload.arguments[i];
	}
	preloadfertig = true;
}
	
// Preload startseite Images
	preload('../images/start/de.gif','../images/start/de_h.gif','../images/start/en.gif','../images/start/en_h.gif');


// Preload Navigations Images
	preload('../images/nav_c1.gif');
	preload('../images/nav_c1_h.gif');
	
	preload('../images/de/nav_c2.gif');
	preload('../images/de/nav_c2_h.gif');
	
	preload('../images/de/nav_c3.gif');
	preload('../images/de/nav_c3_h.gif');
	
	preload('../images/de/nav_c4.gif');
	preload('../images/de/nav_c4_h.gif');
	
	preload('../images/de/nav_c5.gif');
	preload('../images/de/nav_c5_h.gif');
	
// Preload Subnavigation Images
	preload('../images/de/nav_s3.gif');
	preload('../images/de/nav_s3_h.gif');
	
	preload('../images/de/nav_s2.gif');
	preload('../images/de/nav_s2_h.gif');
	
	preload('../images/de/nav_s1.gif');
	preload('../images/de/nav_s1_h.gif');
	

//popup flash
function flash_popup(Link,name,breite,hoehe,scroll){
	var iMyWidth = (window.screen.width/2) - (breite/2 + 10);
	var iMyHeight = (window.screen.height/2) - (hoehe/2 + 50);
	var flash_popup = window.open(Link ,name,"toolbar=no,location=no,status=yes,menubar=no,scrollbars=" + scroll + ",resizable=no,width=" + breite + ",height=" + hoehe + ",left=" + iMyWidth + ",top=" + iMyHeight + ",screenX=" + iMyWidth + ",screenY=" + iMyHeight);
	flash_popup.focus();
}

	
// popup impressum	
function imp_popup(){
	window.open("../../imp/s1.html", "impressum", "width=300, height=400, toolbar=no, menubar=no, resizable=no, scrollbars=yes, status=no, left=200, top=200");
}


// popup guestbook
function gbook_popup(){
	window.open("../../gbook/gbook.php", "gbook", "width=500, height=600, toolbar=no, menubar=no, resizable=yes, scrollbars=yes, status=no, left=100, top=100");
}

// popup login
function login_popup(){
	window.open("../../login/s2.html", "gbook", "width=700, height=340, toolbar=no, menubar=no, resizable=yes, scrollbars=yes, status=no, left=100, top=100");
}