// JavaScript Document

function showSub(mid,mli) {
	hideAll();
if(document.getElementById(mid)==null) {return;}
	document.getElementById(mid).style.display = 'block';
	mli.style.position = 'relative';
}


function hideAll() {
	var allboxes = document.getElementById('navigation').getElementsByTagName('ul');
	for(var i = 0;i < allboxes.length; i++){
		allboxes[i].style.display = 'none';
	}
	var allitems = document.getElementById('navigation').childNodes;
	for(var j = 0;j < allitems.length; j++){
	 	if(allitems[j].tagName=='LI'){
			allitems[j].style.position = '';
		}
	}
}