function picture_change(imgname, newimgpath) {
		var oldimgname;
		var oldimgpath;
		var newimgname;
		var imgext;
		var imgprename;
		var imgstatus;
		var newimgstatus;
		var Temp;
		//Überprüfen, ob der Pfad angegeben wurde
		if (newimgpath == null) {
			//Dateiname splitten
			Temp = document.getElementsByName(imgname)[0].src.split("/");
			oldimgname = Temp[Temp.length - 1];
			oldimgpath = document.getElementsByName(imgname)[0].src.substring(0, document.getElementsByName(imgname)[0].src.length - oldimgname.length);
			//Endung splitten
			Temp = oldimgname.split(".");
			imgext = Temp[Temp.length - 1];
			//Imgname und Status splitten
			Temp = oldimgname.substring(0, oldimgname.length - imgext.length - 1).split("_");
			imgprename = Temp[0];
			imgstatus = Temp[1];
			//Auswerten Bildstatus
			if (imgstatus == "inact") {
				newimgstatus = "act";
			} else {
				newimgstatus = "inact";
			}
			newimgname = oldimgpath + imgprename + "_" + newimgstatus + "." + imgext;
		} else {
			newimgname = newimgpath
		}
		//Bild auswechseln
		document.getElementsByName(imgname)[0].src = newimgname;
	}
	
	function changeColorHover(tagID, colorToSet) {
		document.getElementById(tagID).style.backgroundColor = colorToSet;
	}	
	
	function changeIframeSource() {
		if (document.getElementById("KatalogFrame"))
		{
			var KatalogFrame = document.getElementById("KatalogFrame");
						
			var Variablen = self.location.search;
			Variablen = Variablen.substring(1, Variablen.length).split("&");
			
			var Datei = "";
			var GetString = "?";
			var temp;
			for (var i = 0; i < Variablen.length; i++)
			{			
				temp = Variablen[i].split("=");
				
				if (temp.length == 2)
				{
					if (temp[0] == "file")
						Datei = temp[1];
					else if (temp[0] != "navid")
						GetString += Variablen[i] + "&";
				}
				else
					GetString += Variablen[i] + "&";
			}
			
			if (Datei != "")
				KatalogFrame.src = KatalogFrame.src + "/" + Datei + GetString;
		}
	}