function toggle(tagId)
	 {
      var currentElement =  document.getElementById(tagId).getElementsByTagName('div');
	  for(var i=0; i< currentElement.length; i++)
	  {
	   if(currentElement[i].className == "content")
	   {
	    var desiredElement = currentElement[i];
	   }
	  }
	  
	  if(desiredElement.style.display == 'none')
	  {
	   desiredElement.style.display = 'block';
	  }
	  else
	  {
	   desiredElement.style.display = 'none';
	  }
	 }