/////////// Drop Down Menus ////////////////////////////////////////
///////////////////////////////////////////////////////////////////

startList = function() {
	if (document.all&&document.getElementById) {
		// hello IE6, IE7, Opera.
		if(document.getElementById("nav")){
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
					hide_stuff();
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
					show_stuff();
				}
			}
		}
		}
	}

function hide_stuff(){tags_visibility('select','hidden');}
function show_stuff(){tags_visibility('select','visible');}
function tags_visibility(tagname,visibility){var tags=document.getElementsByTagName(tagname);for(var i=0;i<tags.length;++i){tags[i].style.visibility=visibility;}}

//function hide_stuff(){tags_visibility('select','hidden');tags_visibility('object','hidden');tags_visibility('embed','hidden');tags_visibility('iframe','hidden');}
//function show_stuff(){tags_visibility('select','visible');tags_visibility('object','visible');tags_visibility('embed','visible');tags_visibility('iframe','visible');}
//function tags_visibility(tagname,visibility){var tags=document.getElementsByTagName(tagname);for(var i=0;i<tags.length;++i){tags[i].style.visibility=visibility;}}
}