function fk_bild_display(){
					document.getElementById("big-bild").src = this.src;
					document.getElementById("big-bild").alt = this.titel.concat(", ").concat(this.date).concat("\n").concat(this.technik).concat("\n").concat(this.format);
					document.getElementById("big-bild-titel").firstChild.nodeValue = this.titel; 
					document.getElementById("big-bild-date").firstChild.nodeValue = this.date; 
					document.getElementById("big-bild-technik").firstChild.nodeValue = this.technik; 
					document.getElementById("big-bild-format").firstChild.nodeValue = this.format; 
					document.getElementById("big-bild-preis").firstChild.nodeValue = this.preis;
					if(this.foto > ""){
						document.getElementById("big-bild-foto").firstChild.nodeValue = /*"foto: ".concat*/(this.foto);
					}
					else{
						document.getElementById("big-bild-foto").firstChild.nodeValue = " ";
					}
					document.getElementById("big-bild-text").firstChild.nodeValue = this.text;
					if((this.i+1) < this.anz){
						var next = this.i+1;
						document.getElementById("control-next").className = "aktiv"; 
					}
					else{
						var next = 0;
						document.getElementById("control-next").className = "inaktiv"; 
					}
					var next_cmd = ""; 
					next_cmd = next_cmd.concat("javascript:bild_").concat(next).concat(".display();"); 
					document.getElementById("control-next").href = next_cmd;
					
					if(this.i > 0){
						var before = this.i - 1;
						document.getElementById("control-before").className = "aktiv"; 
					}
					else{
						var before = this.anz - 1;
						document.getElementById("control-before").className = "inaktiv";
					}
					var before_cmd = ""; 
					before_cmd = before_cmd.concat("javascript:bild_").concat(before).concat(".display();"); 
					document.getElementById("control-before").href = before_cmd;
				}
				function fk_bild(i, anz){
					this.i = i;
					this.anz = anz;
					this.titel = "ohne Namen";
					this.src;
					this.date = "";
					this.technik = "";
					this.format = "";
					this.display = fk_bild_display;
				}