if (document.images) {
			      var i = 0;
				      eval("var xmg" + i + "off = new Image()");
				      eval("xmg" + i + "off.src = 'logo.gif'");
				      eval("var xmg" + i + "on = new Image()");
				      eval("xmg" + i + "on.src = 'logo.gif'");
			      var i = 1;
			      while (i<7) {
				      eval("var xmg" + i + "off = new Image()");
				      eval("xmg" + i + "off.src = 'rs0.gif'");
				      eval("var xmg" + i + "on = new Image()");
				      eval("xmg" + i + "on.src = 'rs1.gif'");
					i = i+1;
				}
			      while (i<15) {
				      eval("var xmg" + i + "off = new Image()");
				      eval("xmg" + i + "off.src = 'rs3.gif'");
				      eval("var xmg" + i + "on = new Image()");
				      eval("xmg" + i + "on.src = 'rs4.gif'");
					i = i+1;
				}
                            }

                            function act(imgName) {
			   if (document.images) {
                                document.images[imgName].src = eval(imgName + "on.src");
				}
                            }

                            function inact(imgName) {
                              if (document.images)  {
                                document.images[imgName].src = eval(imgName + "off.src");
				}
                            }

                            function openlayer(lid) {
				if (document.getElementById) {
					lxstatus=eval("document.getElementById('" + lid + "').style.display");
					if (lxstatus=='block') {
						eval("document.getElementById('" + lid + "').style.display='none'");
					} 
					else {
						eval("document.getElementById('" + lid + "').style.display='block'");
					}
				} 
		            }

                            function openlayexcl(lid) {
				if (document.getElementById) {
					closealllayers();
					eval("document.getElementById('" + lid + "').style.display='block'");
				} 
		            }

                            function closealllayers() {
				if (document.getElementsByTagName) {
					j=0;
					k=0;
					k=document.getElementsByTagName("div").length;
// funktioniert auch			while (document.getElementsByTagName("div")[j]) {
					while (j<k) {
						if (document.getElementsByTagName("div")[j].style.display=="block") {
							document.getElementsByTagName("div")[j].style.display="none";						
						}
						j=j+1;
					}  					
				} 
		            }

                            function openalllayers() {
				if (document.getElementsByTagName) {
					j=0;
					k=0;
					k=document.getElementsByTagName("div").length;
// funktioniert auch			while (document.getElementsByTagName("div")[j]) {
					while (j<k) {
						if (document.getElementsByTagName("div")[j].style.display=="none") {
							document.getElementsByTagName("div")[j].style.display="block";						
						}
						j=j+1;
					}  					
				} 
		            }