function swapState(){
                var cacheobj=document.getElementById("innermenu").style
                if (cacheobj.visibility=="visible") {
                    cacheobj.visibility="hidden";
                    document.getElementById('pictures').src="../partner/plus.gif";	
                    cacheobj.display='none';	
                }
                else {
                    cacheobj.visibility="visible";
                    document.getElementById('pictures').src="../partner/minus.gif";
                    cacheobj.display='';	
                }
        }