function markLink(node){
	document.getElementById("home").style.color = "#5F6570";
	document.getElementById("infoImp").style.color = "#5F6570";
	document.getElementById("butFly").style.color = "#5F6570";
	document.getElementById("butTex").style.color = "#5F6570";
	document.getElementById("butBri").style.color = "#5F6570";
	document.getElementById("butLin").style.color = "#5F6570";
	node.style.color = "#05387A";
	if(document.getElementById("home").style.color == node.style.color){
		document.getElementById("butFly").style.color = "#05387A";
	}
	if(document.getElementById("butFly").style.color == node.style.color || 
		document.getElementById("butTex").style.color == node.style.color || 
		document.getElementById("butBri").style.color == node.style.color || 
		document.getElementById("butLin").style.color == node.style.color){
		document.getElementById("home").style.color = "#05387A";
	}
}

function showImpressum(){
	document.getElementById("flyer").style.display = "none";
	document.getElementById("front").style.display = "none";
	document.getElementById('flyer').src = "flyer_front.jpg";
	document.getElementById("infoText").style.display = "none";
	document.getElementById("infoBrief").style.display = "none";
	document.getElementById("infoLinks").style.display = "none";
	var button = document.getElementsByTagName("input");
	button[0].value = "flyer_front";
	document.getElementById("impressum").style.display = "inline";
}

function showHome(){
	if(document.getElementById('flyer').style.display == "none"){
		document.getElementById("impressum").style.display = "none";
		document.getElementById("front").style.display = "inline";
		document.getElementById('flyer').style.display = "none";
		hideInfo();
	}
}

function showInfo(name){
	var button = document.getElementsByTagName("input");
	button[0].value = "flyer_front";
	document.getElementById("impressum").style.display = "none";
	if(name.substring(0,4) == "info"){
		document.getElementById('flyer').style.display = "none";
		document.getElementById('flyer').src = "flyer_front.jpg";
		document.getElementById(name).style.display = "inline";
		button[0].value = "flyer_front";
	}
}
function hideInfo(){
	if(document.getElementById('flyer').style.display == "none"){
		document.getElementById('infoText').style.display = "none";
		document.getElementById('infoBrief').style.display = "none";
		document.getElementById('infoLinks').style.display = "none";
		document.getElementById("impressum").style.display = "none";
		document.getElementById('flyer').style.display = "inline";
		var button = document.getElementsByTagName("input");
		button[0].value = "flyer_back";
		fadein('flyer');
	}
	else{
		fadeout('flyer');
	}
}

function startDia(name){
	var picture = document.getElementById(name);
	var button = document.getElementsByTagName("input");
	var isSet = false;
	if(name == 'flyer'){
		document.getElementById('infoText').style.display = "none";
		document.getElementById('infoBrief').style.display = "none";
		document.getElementById('infoLinks').style.display = "none";
		document.getElementById(name).style.display = "inline";
		if(!isSet && document.getElementById(name).src.match("flyer_front.jpg") == "flyer_front.jpg"){
			document.getElementById(name).src = "flyer_back.jpg";
			button[0].value = "flyer_front";
			isSet = true;
		}
		if(!isSet && document.getElementById(name).src.match("flyer_back.jpg") == "flyer_back.jpg"){
			document.getElementById(name).src = "flyer_front.jpg";
			button[0].value = "flyer_back";
		}
	}
}
var zahl=100;
var zahl1=0;
var bis=100; 
var wert=5; 
function fadeout( name )
{
	var picture = document.getElementById(name);
	if(document.getElementById("flyer").style.display != "none"){
		var i = zahl-= wert;
		zahl = i;
		test2( name );
	    if(zahl==0){
	    	startDia(name);
	    	if(name.substring(0,4) != "info"){
	    		fadein(name);
	    	}
	    	if(name.substring(0,4) == "info"){
	    		showInfo(name);
	    	}
	    	zahl1=0;
	    }
	    var aktiv = window.setTimeout( function () 
	        {
	            fadeout( name) 
	        }, 10);
	        
	    if( zahl < wert)
	    {
	        window.clearTimeout( aktiv );
	    }
    }
    else{
    	document.getElementById("impressum").style.display = "none";
    	document.getElementById('infoText').style.display = "none";
    	document.getElementById('infoBrief').style.display = "none";
    	document.getElementById('infoLinks').style.display = "none";
    	if(name == "infoText"){
    		document.getElementById('infoText').style.display = "inline";
    	}
    	if(name == "infoBrief"){
    		document.getElementById('infoBrief').style.display = "inline";
    	}
    	if(name == "infoLinks"){
    		document.getElementById('infoLinks').style.display = "inline";
    	}
    }
}

function test2( name )
{
    var y = zahl / 100;
    
    var obj=document.getElementById( name );
    if(name.substring(0,4) == "info"){
    	obj=document.getElementById('flyer');
    }
    
    obj.style.MozOpacity = y;
    obj.style.opacity = y;
    obj.style.filter = "alpha(opacity:" + ( y * 100 ) + ")";
}

function fadein( name )
{
    var i = zahl1 += wert;
    zahl1 = i;
    test4( name );
    if(zahl1==bis){
    	zahl=100;
		zahl1=0;
		bis=100; 
		wert=5;
		return;
    }
    var aktiv = window.setTimeout( function () 
        {
            fadein( name) 
        }, 10);
        
    if( zahl1 > bis-wert)
    {
        window.clearTimeout( aktiv );
    }
}
function test4( name )
{
    var y = zahl1 / 100;
    
    var obj=document.getElementById( name );
    
    obj.style.MozOpacity = y;
    obj.style.opacity = y;
    obj.style.filter = "alpha(opacity:" + ( y * 100 ) + ")";
}