allElems = new Array("Out2details","Out3details","Out5details","Out6details","Out7details");

function procall(elem) {
  var el = document.getElementById(elem);
  if((elem == "home")||(elem == "guest")) {
    for(i = 0; i < allElems.length; i++) {
      e = document.getElementById(allElems[i]);
      e.style.visibility = 'hidden';
	    e.style.display = "none";
    }
    return;



  }
  
  
  if(el.style.display == 'none') {
   

    el.style.visibility = 'visible';
	  el.style.display = "";
    
    var i;
    var e;
    for(i = 0; i < allElems.length; i++) {
     
      if(el.id == allElems[i]) continue;
      else {
        e = document.getElementById(allElems[i]);
        e.style.visibility = 'hidden';
	      e.style.display = "none";
      }
      

    }

  } else {
    
    el.style.visibility = 'hidden';
	  el.style.display = "none";


  }




}