var s9_NS = (document.layers) ? 1 : 0;
var s9_IE = (document.all && document.getElementById) ? 1 : 0;
var s9_N6 = (!document.all && document.getElementById) ? 1 : 0;
var s9_hideMenu = null;
var is_NS = s9_NS;
var is_IE = s9_IE;
var is_N6 = s9_N6;

function doHideAll(){
	if(is_IE) {
		document.all.show_nav.style.visibility="hidden";
		document.all.full_ep_nav.style.visibility="hidden";
		document.all.community_nav.style.visibility="hidden";
	}

	if(is_NS) {
		document.show_nav.visibility="hidden";
		document.full_ep_nav.visibility="hidden";
		document.community_nav.visibility="hidden";
	}

	if(is_N6) {	
		document.getElementById('show_nav').style.visibility = "hidden";
		document.getElementById('full_ep_nav').style.visibility = "hidden";
		document.getElementById('community_nav').style.visibility = "hidden";
	}
}

function doStyleChange(obj) {
	if(is_IE) {
		eval('document.all.'+obj+'.style.visibility="visible"');
		eval('document.all.'+obj+'.style.display="block"');
	}
	if(is_NS) {
		eval('document.'+obj+'.visibility="visible"');
		eval('document.'+obj+'.display="block"');
	}
	if(is_N6) {	
		the_obj = document.getElementById(obj);
		the_obj.style.visibility = "visible";
		the_obj.style.display = "block";		
	}
}

function reDoStyleChange(obj) {
	if(is_IE) {
		eval('document.all.'+obj+'.style.visibility="hidden"');
		eval('document.all.'+obj+'.style.display="none"');
	}
	if(is_NS) {
		eval('document.'+obj+'.visibility="hidden"');
		eval('document.'+obj+'.display="none"');
	}
	if(is_N6) {	
		the_obj = document.getElementById(obj);
		the_obj.style.visibility = "hidden";
		the_obj.style.display = "none";		
	}
}