var browser = "";
var startSize = 10;

detectUserAgent();
if (browser == "msie" || browser == "opera"){
	window.setInterval("menu_scroll()", 50);
}

if (document.getElementById){ 
  document.write('<style type="text/css">.menuitemgroup{display: none;}</style>')
}

var startSize = 8;
if (navigator.platform.toLowerCase().indexOf("win")>-1 ){
	startSize = 8;
}else{
	startSize = (screen.availWidth < 1024)? 10: 9;
}
document.write("<style type=\"text/css\">*{font-size: "+startSize+"pt;}</style>");

function init(){
	//ndeSetTextSize("");
	SwitchMenu('1B', 'skin/images');
}

function SwitchMenu(obj, imgDir){
  	if(document.getElementById)  {
    	var el = document.getElementById(obj);
    	var title = document.getElementById(obj+'Title');
    	var img = document.getElementById(obj+'Img');
		
		if (el == null) return;
		
    	if(obj.indexOf("_selected_")==0&&el.style.display == ""){
      		el.style.display = "block";
    	}
		
    	if(el.style.display != "block"){ 
      		el.style.display = "block";
      		img.src = imgDir+"/fold.gif";
    	}else{
      		el.style.display = "none";
      		img.src = imgDir+"/unfold.gif";
    	}
  	}
}

function menu_scroll(){
	if (browser == "msie"){
		var el = document.getElementById("menubar");
		
		if (el == null) return;
		el.style.position = "relative";
		el.style.top = document.body.parentElement.scrollTop+20;
	}else if (browser == "opera"){
		var el = document.getElementById("menubar");
		if (el == null) return;
		el.style.top = "130px";
	}
}

function detectUserAgent(){
	var an = window.navigator.appName.toLowerCase();

	if (an == "microsoft internet explorer") browser = "msie";
	if (an == "konqueror") browser = "konqueror";
	if (an == "netscape"){
		if (window.navigator.appVersion.substring(0,1) > "4")
			browser = "mozilla";
		else
			browser = "netscape";
		}
	if (an == "opera") browser = "opera";		
}

function checkBrowser(){
	if (!document.getElementsByTagName){
    	return true;
  	}else{
    	return false;
  	}
}