function posi() {
		document.getElementById('site_portfolio').style.display = 'block';
		document.getElementById('laden').style.display = 'none';
	}

	
	function bilder(seite){
		if(seite=="links"){
			if(document.welche.richtung.value == "up"){
				document.getElementById('small_images_li').style.top = 0;
				document.getElementById('arrow_left').src = "/img/arrow_down.gif";
				document.welche.richtung.value = "down";
				return;
			}
			if(document.welche.richtung.value == "down"){
				document.getElementById('small_images_li').style.top = -390 + 'px';
				document.getElementById('arrow_left').src = "/img/arrow_up.gif";
				document.welche.richtung.value = "up";
				return;
			}
		}
		
		if(seite=="rechts"){
			if(document.welche.richtung2.value == "up"){
				document.getElementById('small_images_re').style.top = 0;
				document.getElementById('arrow_right').src = "/img/arrow_down.gif";
				document.welche.richtung2.value = "down";
				return;
			}
			if(document.welche.richtung2.value == "down"){
				document.getElementById('small_images_re').style.top = -390 + 'px';
				document.getElementById('arrow_right').src = "/img/arrow_up.gif";
				document.welche.richtung2.value = "up";
				return;
			}
		}
	}
	
	
	function drucken(){
		wortnr = (document.welche.bild.value.substring(5,7))-1;
		wort = pic_text[wortnr];
		/*if(wort){
			worte = wort.replace(/ /g,"_");
		}else{
			wort = "Sie haben kein Bild ausgewaehlt";
			worte = wort.replace(/ /g,"_");
		}*/
		
		//url = "/portfolio/drucken_ohne.php?bild=" + document.welche.bild.value + "&wort=" + worte;
		url = "/portfolio/drucken_ohne.php?bild=" + document.welche.bild.value;
		h = "width=492,height=556,resizable=1,menubar=1,scrollbars=0,toolbar=0,status=0,marginwidth=0,marginheight=0";
		titel = document.welche.bild.value;
		druck = window.open(url,titel,h);
	}

	
	function weiter(richtung){
		akt_bild = document.welche.bild.value;
		zahl = akt_bild.substring(5,7) * 1;
		welches = richtung == "weiter" ? zahl + 1 : zahl - 1;
		
		if (akt_bild == "" || welches == 73 || welches == 0){
			next_i = "bild_01";
			back_i = "bild_72";
			welches = 1;
		}else if(welches < 10 ){
			next_i = "bild_0" + welches;
			back_i = "bild_0" + welches;
		}else if (welches > 9){
			next_i = "bild_" + welches;
			back_i = "bild_" + welches;
		}
		
		//weiter
		if(richtung=="weiter"){
			if(welches < 19){
				document.getElementById('small_images_li').style.top = 0;
				document.getElementById('arrow_left').src = "/img/arrow_down.gif";
				document.welche.richtung.value = "down";
				
			}else if(welches >18 && welches < 37){
				document.getElementById('small_images_li').style.top = -390 + 'px';
				document.getElementById('arrow_left').src = "/img/arrow_up.gif";
				document.welche.richtung.value = "up";

			}else if(welches > 36 && welches < 55){
				document.getElementById('small_images_re').style.top = 0;
				document.getElementById('arrow_right').src = "/img/arrow_down.gif";
				document.welche.richtung2.value = "down";
				
			}else if(welches > 54 && welches < 73){
				document.getElementById('small_images_re').style.top = -390 + 'px';
				document.getElementById('arrow_right').src = "/img/arrow_up.gif";
				document.welche.richtung2.value = "up";
				
			}else if(welches > 72){
				document.getElementById('small_images_li').style.top = 0;
				document.getElementById('arrow_left').src = "/img/arrow_down.gif";
				document.welche.richtung.value = "down";
			}
			
			document.getElementById(next_i).src = "/img/live_portfolio/klein/"+ next_i + onExt;
			document.getElementById('gross').src = "/img/live_portfolio/gross/"+ next_i +".jpg";
			document.getElementById('texte').innerHTML = pic_text[welches - 1];
			document.welche.bild.value = next_i;
				
			if(akt_bild != ""){
				document.getElementById(akt_bild).src = "/img/live_portfolio/klein/"+ akt_bild + offExt;
			}
		}
		
		//zurueck
		if(richtung=="zurueck"){
			if(akt_bild=="" || akt_bild == "bild_01"){
				document.getElementById('small_images_re').style.top = -390 + 'px';
				document.getElementById('arrow_right').src = "/img/arrow_up.gif";
				document.welche.richtung2.value = "up";
				
			}else if(welches < 19 || akt_bild == "bild_02"){
				document.getElementById('small_images_li').style.top = 0;
				document.getElementById('arrow_left').src = "/img/arrow_down.gif";
				document.welche.richtung.value = "down";
				
			}else if(welches > 18 && welches < 37){
				document.getElementById('small_images_li').style.top = -390 + 'px';
				document.getElementById('arrow_left').src = "/img/arrow_up.gif";
				document.welche.richtung.value = "up";
				
			}else if(welches > 36 && welches < 55){
				document.getElementById('small_images_re').style.top = 0;
				document.getElementById('arrow_right').src = "/img/arrow_down.gif";
				document.welche.richtung2.value = "down";
				
			}else if(welches > 54 && welches < 73){
				document.getElementById('small_images_re').style.top = -390 + 'px';
				document.getElementById('arrow_right').src = "/img/arrow_up.gif";
				document.welche.richtung2.value = "up";
			}
			document.getElementById(back_i).src = "/img/live_portfolio/klein/"+ back_i + onExt;
			document.getElementById('gross').src = "/img/live_portfolio/gross/"+ back_i +".jpg";
			document.getElementById('texte').innerHTML = pic_text[welches - 1];
			document.welche.bild.value = back_i;
				
			if(akt_bild != ""){
				document.getElementById(akt_bild).src = "/img/live_portfolio/klein/"+ akt_bild + offExt;
			}
		}
	}