aktuellebene=1;

function getlayer(name) {
    if(document.getElementById) {
        lay=document.getElementById(name);
    } else if (document.all) {
        lay=document.all[name];
    } else {
        lay=document[name];
    }
    return lay;
}
function show(ebene) {
if (ebene!="") {

// Textebene ausblenden
	if (ebene!=aktuellebene) {
		lay=getlayer("ebene"+aktuellebene);
        eval("lay.style.display ='none';");
// Wenn Bild vorhanden dann ausblenden
	    if (typeof(detail)!="undefined") {
	        lay=getlayer("detail"+aktuellebene);
	        eval("lay.style.display ='none';");
	    }
		lay=getlayer("ebene"+ebene);
        eval("lay.style.display ='';");
	    if (typeof(detail)!="undefined") {
	        lay=getlayer("detail"+ebene);
	        eval("lay.style.display ='';");
	    }
	} else {
	    if (typeof(detail)!="undefined") {
	        lay=getlayer("detail"+aktuellebene);
	        if (eval("lay.style.display")=="none") {
	            eval("lay.style.display ='';");
            } else {
	            eval("lay.style.display ='none';");
            }
	    }
	}
	aktuellebene=ebene;
} else {
// Textebene, Bild und Close-Layer einblenden
	if (typeof(detail)!="undefined") {
	    lay=getlayer("detail"+aktuellebene);
	    eval("lay.style.display ='none';");
	}
}
}
function clicklock(mode) {
	layer="grid";
    if(document.getElementById) {
        lay=document.getElementById(layer);
    } else if (document.all) {
        lay=document.all[layer];
    } else {
        lay=document[layer];
    }
    if (mode=="lock") eval("lay.style.display ='';");
    else eval("lay.style.display ='none';");
}
function popup(url) {
    winwidth=517;
	winheight=350;
    leftpos=(screen.availWidth-winwidth)/2;
	toppos=(screen.availHeight-winheight)/2;
    fenster=window.open(url,'_blank','top='+toppos+',left='+leftpos+',width='+winwidth+',height='+winheight+',scrollbars=yes,resize=no');
    if (window.focus) fenster.focus();
}

var pic=0;
var count=0;
var picsloaded=0;

function rotation(start,end,base) {
	if (typeof(base)=="undefined") {
		base="..";
    }
	if(document.images) {
	    referenz=new Array();
    	    for(i=start; i<(end+1); i++) {
        	    referenz[count]=new Image();
            	referenz[count].src=base+"/slides/slide-"+i+".jpg";
				count++;
	        };
    	picsloaded=1;
    	flipper();
	};
};

function rollover() {
    window.clearTimeout(aktiv);
};

function rollout() {
aktiv = window.setTimeout("flipper()",3000);
};

function flipper() {
	if (picsloaded==1) {
	    pic++;
	    if (pic>count) pic=1;
	    if(document.images) {
	        flippic(pic);
	        aktiv = window.setTimeout("flipper()",5000);
	    }
	}
};

function flippic (num) {
	if (picsloaded==1) {
	    pic=num;
	    if (document.images) {
	        if (document.all){
	           document.images.slide.style.filter="blendTrans(duration=2)"
	           document.images.slide.filters.blendTrans.Apply()
	        }
	        document.slide.src=referenz[pic-1].src;
	        if (document.all){
	           document.images.slide.filters.blendTrans.Play()
	        }
	    }
	}
};