function hideSubMenus(){
nodes=document.getElementsByClassName("subMenu");for(i=0; i< nodes.length; i++)
Element.hide(nodes[i]);}
function blindOrToggle(node){
node=$(node);if (navigator.userAgent.indexOf("MSIE")==-1)
Effect.toggle(node, 'blind');else
Element.toggle(node);}
var myRules={'a.menuTopLevel' : function(element){Event.observe(element, 'click', function() {node=element.id+"SubMenu";blindOrToggle(node);});},
'div#newsletterSubscribeLink' : function(element){Event.observe(element, 'click', function(){blindOrToggle("freeNewsletter");});}}
Event.observe(window, 'load', function(){body=document.body;if (Element.hasClassName(body, "lasers101"))
Element.show("lasers101SubMenu");else if (Element.hasClassName(body, "visionBasics"))
Element.show("visionBasicsSubMenu");else if (Element.hasClassName(body, "procedures"))
Element.show("proceduresSubMenu");else if (Element.hasClassName(body, "amiacandidate"))
Element.show("amiacandidateSubMenu");else if (Element.hasClassName(body, "potentialsideeffects"))
Element.show("potentialsideeffectsSubMenu");else if (Element.hasClassName(body, "choosingasurgeon"))
Element.show("choosingasurgeonSubMenu");else if (Element.hasClassName(body, "lasikcosts"))
Element.show("lasikcostsSubMenu");});Behaviour.register(myRules);