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.culture_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.culture_ep_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('culture_nav').style.visibility = "hidden";
		document.getElementById('full_ep_nav').style.visibility = "hidden";
		document.getElementById('community_nav').style.visibility = "hidden";
	}
}

function doStyleChange(obj) {
	if(obj == "tab1_content") { reDoStyleChange('tab2_content'); reDoStyleChange('tab3_content'); reDoStyleChange('tab4_content'); }
	if(obj == "tab2_content") { reDoStyleChange('tab1_content'); reDoStyleChange('tab3_content'); reDoStyleChange('tab4_content'); }
	if(obj == "tab3_content") { reDoStyleChange('tab1_content'); reDoStyleChange('tab2_content'); reDoStyleChange('tab4_content'); }
	if(obj == "tab4_content") { reDoStyleChange('tab1_content'); reDoStyleChange('tab2_content'); reDoStyleChange('tab3_content'); }
	
	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";		
	}

}

function changeClass(the_class) {
	document.getElementById('tab1').className = "tab1_off";
	document.getElementById('tab2').className = "tab2";
//	document.getElementById('tab3').className = "tab3";
	document.getElementById('tab4').className = "tab4";
	if(the_class == "tab1")
		document.getElementById(the_class).className = "tab1";
	else
		document.getElementById(the_class).className = "tab_on";

} 

function rollStyle_on(obj) {
	if(obj == "tab1")
		document.getElementById(obj).className = "tab1_over";
	else
		document.getElementById(obj).className = "tab_over";
	
	if(eval("document.getElementById('"+obj+"_content').style.display") == "block") {
		if(obj == "tab1") document.getElementById(obj).className = "tab1";
		else document.getElementById(obj).className = "tab_on";
	}
}

function rollStyle_off(obj) {
	if(obj == "tab1")
		document.getElementById(obj).className="tab1_off";
	else
		document.getElementById(obj).className = obj;
		
	if(eval("document.getElementById('"+obj+"_content').style.display") == "block") {
		if(obj == "tab1") document.getElementById(obj).className = "tab1";
		else document.getElementById(obj).className = "tab_on";
	}
}

function displayWiki(wikiNum) {
	if(is_IE) {
		eval('document.all.tag_cloud_'+wikiNum+'.style.visibility="visible"');
		eval('document.all.tag_cloud_'+wikiNum+'.style.display="block"');
	}

	if(is_NS) {
		eval('document.tag_cloud_'+wikiNum+'.visibility="visible"');
		eval('document.tag_cloud_'+wikiNum+'.display="block"');
	}

	if(is_N6) {	
		the_wiki = document.getElementById("tag_cloud_" + wikiNum);
		the_wiki.style.visibility = "visible";
		the_wiki.style.display = "block";		
	}
}

function displayMB(mbNum) {
	if(is_IE) {
		eval('document.all.messageboard_'+mbNum+'.style.visibility="visible"');
		eval('document.all.messageboard_'+mbNum+'.style.display="block"');
	}

	if(is_NS) {
		eval('document.messageboard_'+mbNum+'.visibility="visible"');
		eval('document.messageboard_'+mbNum+'.display="block"');
	}

	if(is_N6) {	
		the_MB = document.getElementById("messageboard_" + mbNum);
		the_MB.style.visibility = "visible";
		the_MB.style.display = "block";		
	}
}