function getElementsByClass(node,searchClass,tag) 
{
         var classElements = new Array();
         var els = node.getElementsByTagName(tag); // use "*" for all elements
         var elsLen = els.length;
         var pattern = new RegExp("\\b"+searchClass+"\\b");
         for (i = 0, j = 0; i < elsLen; i++) 
		 {
                  if ( pattern.test(els[i].className) ) 
				  {
                         classElements[j] = els[i];
                         j++;
                  }
         }
         return classElements;
}

// Loop over each element, toggle it's display attribute
function showClass(className) 
{
         var el = getElementsByClass(document,className,'*');
         for (var i = 0; i != el.length; i++) 
		 {
				el[i].style.display = 'inline';
         }
}