function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
  var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
  if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
  if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_nbGroup(event, grpName) { //v6.0
var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])?args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) { img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr) for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function MM_validateForm() { //v4.0
var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
if (val) { nm=val.name; if ((val=val.value)!="") {
if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
} else if (test!='R') { num = parseFloat(val);
if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
min=test.substring(8,p); max=test.substring(p+1);
if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
} } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
} if (errors) alert('The following error(s) occurred:\n'+errors);
document.MM_returnValue = (errors == '');
}

function ap_showWaitMessage(flag) {
	var name = 'waitDiv';
	var x = false;
	if (document.layers) {
		x = document.layers[name];
		if (!x) return;
	} else {
		x = MM_findObj(name, document);
		if (!x) return;
		x = x.style;
	}
	x.visibility = (flag) ? 'visible': 'hidden';
}

function AlterDiv(name, displayStyle) {
	var e = MM_findObj(name);
	if (!e) return;
	if (displayStyle == '') {
		e.style.display = '';
	} else if (displayStyle == 'none') {
		e.style.display = 'none';
	} else {
		if (e.style.display == '') {
			AlterDiv(name, 'none');
		} else {
			AlterDiv(name, '');
		}
	}
}

function preview(url) {
	if (!url) return;
	var iLeft = screen.width * 0.3 / 2 ;
	var iTop  = screen.height * 0.3 / 2 ;
	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes,scrolling=yes";
	sOptions += ",width=" + screen.width * 0.7;
	sOptions += ",height=" + screen.height * 0.7;
	sOptions += ",left=" + iLeft;
	sOptions += ",top=" + iTop;
	var oWindow = window.open(url, "GLCMSPreviewURLWindow", sOptions);
}

// goes to the corresponding English or Chinese page
function switchLang(force) {
	if (force == 'eng') alert('English Version is Coming Soon!');
	return;
	var url = new String(location.href);
	var url2 = '';
	var pos = -1;
	if (force == 'chi' && (pos = url.indexOf('?lang=eng')) >= 0) {
		if (pos >= 0) url2 = url.substring(0, pos) + '?lang=chi' + url.substring(pos + 9, url.length);
	} else if (force == 'eng' && (pos = url.indexOf('?lang=chi')) >= 0) {
		if (pos >= 0) url2 = url.substring(0, pos) + '?lang=eng' + url.substring(pos + 9, url.length);
	}
	if (url2 != '') location.replace(url2);
}


function btn_click_ie() {
	if (event.button == 2) return false;
}

function btn_click_ns(e) {
	if (document.layers || document.getElementById && !document.all) {
		if (e.which == 2 || e.which == 3) return false;
	}
}

function disable_right_click() {
	if (document.layers) {
		document.captureEvents(Event.MOUSEDOWN);
		document.captureEvents(Event.MOUSEUP);
		window.captureEvents(Event.MOUSEDOWN);
		window.captureEvents(Event.MOUSEUP);
		document.onmousedown = btn_click_ns;
		document.onmouseup = btn_click_ns;
		window.onmousedown = btn_click_ns;
		window.onmouseup = btn_click_ns;
	} else if (document.all && !document.getElementById) {
		document.onmousedown = btn_click_ie;
		document.onmouseup = btn_click_ie;
		window.onmousedown = btn_click_ie;
		window.onmouseup = btn_click_ie;
	}
	document.oncontextmenu = new Function('return false;');
	document.onselectstart = new Function('return false;');
	document.ondragstart = new Function('return false;');
}
// disable_right_click();

function trim(s) {
	return ltrim(rtrim(s));
}

function ltrim(s) {
	while('' + s.charAt(0) == ' ') s = s.substring(1, s.length);
	return s;
}

function rtrim(s) {
	while('' + s.charAt(s.length - 1) == ' ') s = s.substring(0, s.length - 1);
	return s;
}

var searching = false;
function beforeSearch(f) {
	if (searching) return false;
	var q = trim(f.elements['q'].value);
	if (q == '') {
		f.elements['q'].focus();
		return false;
	} else {
		searching = true;
		return true;
	}
}

function resizeImage(e, x, y) {
	var w = e.width;
	var h = e.height;
	if (w <= x && h <= y) return;
	var ratio = Math.max(w / x, h / y);
	e.width = Math.round(w / ratio);
	e.height = Math.round(h / ratio);
}

function imageAlpha(e, v) {
	v = parseFloat(v);
	if (!e || isNaN(v)) return;
	if (e.filters) {
		e.filters.alpha.opacity = v;
	} else if (e.style.MozOpacity) {
		e.style.MozOpacity = 0.01 * v;
	}
}

function getImageString(s, x, y, attr) {
	var e = new Image();
	e.src = s;
	var w = e.width;
	var h = e.height;
	if (w > x || h > y) {
		var ratio = Math.max(w / x, h / y);
		w = Math.round(w / ratio);
		h = Math.round(h / ratio);
	}
	if (attr == undefined) attr = "";
	var s = '<img border="0" src="' + escape(s) + '"';
	if (w > 0) s += ' width="' + w + '"';
	if (h > 0) s += ' height="' + h + '"';
	if (w == 0 && h == 0) s += ' onload="resizeImage(this,' + x + ',' + y + ')"';
	if (attr != "") s += ' ' + attr;
	return s + ' />';
}

function preloadAllImages() {
	var e = false;
	for (var i = 0; i < document.images.length; i++) {
		if (document.images[i].src) {
			e = new Image;
			e.src = document.images[i].src;
		}
	}
}

function highlight_section() {
	var u = window.location.pathname;
	var v = window.location.search;
	var s = '';
	if (u.indexOf('main.php') >= 0) {
		s = 'header_main';
	} else if (u.indexOf('news.php') >= 0) {
		s = 'header_news';
	} else if (u.indexOf('news_details.php') >= 0) {
		s = 'header_news';
	} else if (u.indexOf('event.php') >= 0) {
		s = 'header_event';
	} else if (u.indexOf('artist.php') >= 0) {
		s = 'header_artist';
	} else if (u.indexOf('artist_profile.php') >= 0) {
		s = 'header_artist';
	} else if (u.indexOf('release.php') >= 0 || u.indexOf('library.php') >= 0 || u.indexOf('library_detail.php') >= 0) {
		if (v.indexOf('c=soundandvision') >= 0) {
			s = 'header_soundandvision';
		} else if (v.indexOf('c=concert') >= 0) {
			s = 'header_concert';
		} else if (v.indexOf('c=movie') >= 0) {
			s = 'header_movie';
		}
	} else if (u.indexOf('library.php') >= 0) {
		s = 'header_artist';
	} else if (u.indexOf('download.php') >= 0) {
		s = 'header_download';
	} else if (u.indexOf('creative.php') >= 0) {
		s = 'header_creative';
	} else if (u.indexOf('login.php') >= 0) {
		s = 'header_login';
	} else if (u.indexOf('changeinfo.php') >= 0) {
		s = 'header_login';
	} else if (u.indexOf('logout.php') >= 0) {
		s = 'header_login';
	} else if (u.indexOf('register.php') >= 0) {
		s = 'header_register';
	} else if (u.indexOf('corp.php') >= 0) {
		s = 'footer_corp';
	} else if (u.indexOf('contact.php') >= 0) {
		s = 'footer_contact';
	} else if (u.indexOf('sitemap.php') >= 0) {
		s = 'footer_sitemap';
	}
	if (s != '') {
		var e = MM_findObj(s);
		if (!e) return;
		var src = e.src;
		pos = src.indexOf('_off.');
		if (pos >= 0) {
			src = src.substring(0, pos) + '.' + src.substring(pos + 5, src.length);
			e.src = src;
		}
	}
}