var ie = (document.all) ? true : false;
function toggleClass(objClass){
  if (getElementByClass(objClass).style.display=="none"){
	showClass(objClass)
  }else{
	hideClass(objClass)
  }
}
function hideClass(objClass){
var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
	if (elements[i].className==objClass){
	  elements[i].style.display="none"
	}
  }
}
function showClass(objClass){
var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
	if (elements[i].className==objClass){
	  elements[i].style.display="block"
	}
  }
}
function toggleID(objID){
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  if (element.style.display=="none"){
	showID(objID)
  }else{
	hideID(objID)
  }
}
function hideID(objID){
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.display="none"
}
function showID(objID){
var element = (ie) ? document.all(objID) : document.getElementById(objID);
  element.style.display="block"
}
function getElementByClass(objClass){
var elements = (ie) ? document.all : document.getElementsByTagName('*');
  for (i=0; i<elements.length; i++){
	if (elements[i].className==objClass){
	return elements[i]
	}
  }
}