// dropdown animation
function mainmenu(){
$(" #menu ul ").css({display: "none"}); // opera fix
$(" #menu li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

$(document).ready(function(){
	mainmenu();
});

// ie6 dropdown funtionality
menuHover = function(nav) {
  var sfEls = document.getElementById(nav).getElementsByTagName("li");
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=" sfhover";
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp("\\s?sfhover\\b"), "");
    }
  }

// maintain hover
  var listItem = document.getElementById(nav).getElementsByTagName('ul');
  for(var i=0;i<listItem.length;i++) {
    listItem[i].onmouseover=function() {
      var changeStyle = this.parentNode.getElementsByTagName('a');
      changeStyle[0].className+=" active";
    }
    listItem[i].onmouseout=function() {
      var changeStyle = this.parentNode.getElementsByTagName('a');
      changeStyle[0].className=this.className.replace(new RegExp("\\s?active\\b"), "");
    }
  }
}

// call function on page load
function addEvent( obj, type, fn ) {
  if ( obj.attachEvent ) {
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
    obj.attachEvent( 'on'+type, obj[type+fn] );
  } else
    obj.addEventListener( type, fn, false );
  }
function removeEvent( obj, type, fn ) {
  if ( obj.detachEvent ) {
  obj.detachEvent( 'on'+type, obj[type+fn] );
  obj[type+fn] = null;
  } else
    obj.removeEventListener( type, fn, false );
  }

addEvent(window, 'load', function () { menuHover('menu'); });