window.onload = function(){
	/////////  LITEBOX  /////////////
	try{
		Lightbox.init()
	}catch(e){
	}
	/////////////////////////////////
	var parent_id = 'nav'
	var nav = document.getElementById(parent_id)
	var submenus = nav.getElementsByTagName('li')
	for(i=0; i<submenus.length; i++){
		if(submenus[i].parentNode.id == parent_id){
			submenus[i].onmouseover = function(){showsub(this)}
			submenus[i].onmouseout = function(){hidesub(this)}
		}
	}
}
function showsub(obj){
	if(submenu = obj.getElementsByTagName('ul')[0]){
		submenu.style.display="block"
		obj.getElementsByTagName('a')[0].className += " over"
	}	
}
function hidesub(obj){
	if(submenu = obj.getElementsByTagName('ul')[0]){
		submenu.style.display="none"
		a = obj.getElementsByTagName('a')[0]
		a.className = a.className.replace('over','')
	}
}