var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);


function hide(id){
	// Netscape 4
	if(ns4){
		document.layers[id].display = "none";
	}
	// Explorer 4
	else if(ie4){
		document.all[id].style.display = "none";
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){
		document.getElementById(id).style.display = "none";
	}
}
function hide1(id){
	// Netscape 4
	if(ns4){
		document.layers[id].display = "none";
	}
	// Explorer 4
	else if(ie4){
		document.all[id].style.display = "none";
	}
	// W3C - Explorer 5+ and Netscape 6+
	else if(ie5 || ns6){
		document.getElementById(id).style.visibility = "hidden";
	}
}

function toggle(idname) 
	{
		document.getElementById(idname).style.display = (document.getElementById(idname).style.display == 'none') ? 'block' : 'none';
	}
function toggle1(idname) 
	{
		document.getElementById(idname).style.visibility = (document.getElementById(idname).style.visibility == 'hidden') ? 'visible' : 'hidden';
	}	
var menu
function showMenu(){
	var url=document.location.href;
	if (url.indexOf('menu=')!=-1){
		menu=url.substring(url.indexOf('menu=')+5)
		toggle(menu);
	}
}

function togglelayer() { //v3.0
  var i,p,v,obj,args=togglelayer.arguments;
{ 
	obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v;
}