var infoToggleDuration = 700;
function addEvent(obj, evType, fn, useCapture){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Sorry! This website requires a modern web browser like Firefox, Safari or IE6.");
    location.href = "100.htm";
  }
};

var infoPanes = function() {	
	document.getElementsByClassName('sub_nav').each( 
		function(element){ 	
			element.fx = new fx.Height(element, {duration: 700, onComplete: function(){
			if (element.offsetHeight > 0) element.style.height = "auto";}});
			element.fx.hide();			
		}
	);

		
	
	document.getElementsByClassName('main_nav').each(
		function(element){ 
			element.onclick = function() {
				Element.find(element, 'nextSibling').fx.toggle();
				if(element.style.backgroundImage == 'url(./_img/nav_MainNav_m.gif)')
					{
					element.style.backgroundImage = 'url(./_img/nav_MainNav.gif)';
					}
				else
					{
					element.style.backgroundImage = 'url(./_img/nav_MainNav_m.gif)';
					}					
			}
		}
	);
 
};

var supaInit = function() {
	infoPanes();
};
addEvent(window, 'load', supaInit, false);