var agt = navigator.userAgent.toLowerCase ();
var is_major = parseInt (navigator.appVersion);
var is_minor = parseFloat (navigator.appVersion);
var is_nav  = ((agt.indexOf ('mozilla') != -1) && (agt.indexOf ('spoofer') == -1) && (agt.indexOf ('compatible') == -1) && (agt.indexOf ('opera') == -1) && (agt.indexOf ('webtv') == -1) && (agt.indexOf ('hotjava') == -1) && (agt.indexOf ('safari') == -1));
var is_nav6 = (is_nav && (is_major == 5) && (agt.indexOf ("netscape") != -1) && (agt.indexOf ("netscape/7") == -1));
var is_nav6up = ((is_nav && (is_major >= 5)) || (is_nav && (agt.indexOf ('netscape/7') != -1)));
var is_ie      = ((agt.indexOf ("msie") != -1) && (agt.indexOf ("opera") == -1) && (agt.indexOf ("safari") == -1));
var is_ie3     = (is_ie && (is_major < 4));
var is_ie4     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 4")!=-1));
var is_ie4up   = (is_ie && (is_major >= 4));
var is_ie5     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 5.0") != -1));
var is_ie5_5   = (is_ie && (is_major == 4) && (agt.indexOf ("msie 5.5") != -1));
var is_ie5up   = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6     = (is_ie && (is_major == 4) && (agt.indexOf ("msie 6.") != -1));
var is_firefox = ((agt.indexOf ("firefox") != -1) && (agt.indexOf ("opera") == -1) && (agt.indexOf ("safari") == -1));
var is_opera = (agt.indexOf ("opera") != -1);
var is_nn = ((is_nav6 || is_nav6up) ? true : false);

var defaultMenu=false;
var oldMenu=false;
var menuTime=false;
var startMenu=false;
function showMenu(num){
	if (startMenu){
	if (oldMenu!=num){
		if (oldMenu){
			document.getElementById("mb_"+(oldMenu-1)+"_"+oldMenu).className=document.getElementById("mb_"+(oldMenu-1)+"_"+oldMenu).className.replace(" al","");
			document.getElementById("mb_"+oldMenu+"_"+(oldMenu+1)).className=document.getElementById("mb_"+oldMenu+"_"+(oldMenu+1)).className.replace(" ar","");
			document.getElementById("mb_"+oldMenu).className="";
			if (document.getElementById("m_"+oldMenu)) document.getElementById("m_"+oldMenu).style.display="none";	
		}
		if (num){
			document.getElementById("mb_"+(num-1)+"_"+num).className+=" al";
			document.getElementById("mb_"+num+"_"+(num+1)).className+=" ar";
			document.getElementById("mb_"+num).className="a";
			if (document.getElementById("m_"+num)) document.getElementById("m_"+num).style.display="block";
			oldMenu=num;
		} else oldMenu=false;
	}
	}
}

function hideMenu(){
	if (startMenu){
	if (menuTime) clearTimeout (menuTime);
	menuTime = setTimeout("hideCurrentMenu()",500);
	}
}

function hideCurrentMenu(){
	if (startMenu){
	showMenu(defaultMenu);
	menuTime=false;
	}
}

function showCurrentMenu(){
	if (startMenu){
	if (menuTime) clearTimeout (menuTime);
	menuTime=false;
	}
}

function showDefaultMenu(){
	if (defaultMenu){
		document.getElementById("mb_"+(defaultMenu-1)+"_"+defaultMenu).className+=" al";
		document.getElementById("mb_"+defaultMenu+"_"+(defaultMenu+1)).className+=" ar";
		document.getElementById("mb_"+defaultMenu).className="a";
		if (document.getElementById("m_"+defaultMenu)) document.getElementById("m_"+defaultMenu).style.display="block";
	}
	startMenu=true;
}

window.onload = showDefaultMenu; 


function openPopup (href,id,W,H) {
	//alert (href+" "+id);
//	W=600;
//	H=545;
	X=(window.screen.availWidth/2)-(W/2);
	Y=(window.screen.availHeight/2)-(H/2);
	var param = "scrollbars=no,status=no,resizable=0,width=" + W + ",height=" + H + ",left=" + X + ",top=" + Y;
	userinfo=window.open(href,id, param);
	userinfo.focus();
}