var muteOff, muteOn;

if (document.images) {
	muteOff = new Image();
	muteOn = new Image();
	muteOff.src = "img/logos_mh.gif";
	muteOn.src = "img/logos_mh.gif";
}

function init() {
	setMuteImage(isMusicPlaying());
}

function toggleMusic() {
	if (parent.musicFrame)
		parent.musicFrame.location = (parent.musicFrame.musicOn) ? "nosound.html" : "sound.html";
}

function isMusicPlaying() {
	return (parent.musicFrame) ? parent.musicFrame.musicOn : false;
}

function setMuteImage(on) {
	var oImg = document.images["imgMute"];
	
	if (oImg) {
		oImg.src = (on) ? muteOn.src : muteOff.src;
	}
}

function mouseOver(sect) {
	var el = document.getElementById("hover_" + sect);
	el.style.visibility = "visible";
	
	if (sect != "updated") {
		MM_swapImage('imgSectionName','','gfx/front_txt_'+sect+'.gif',1);
	}
}

function mouseOut(sect) {
	var el = document.getElementById("hover_" + sect);
	el.style.visibility = "hidden";

	if (sect != "updated") {
		MM_swapImgRestore();
	}
}

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_openBrWindow(theURL,winName,features) { //v2.0
  var l, t, width, height, newWin, tmp;
  var params = features.split(",");
  
  // get width & height
  for (var i = 0; i < params.length; i++) {
  	tmp = params[i].split("=");
	if (tmp[0] == "width")
		width = tmp[1];
	if (tmp[0] == "height")
		height = tmp[1];
  }
  if (winName == "")
    winName = "outorec_popup";
  l = parseInt((screen.width - width) / 2);
  t = parseInt((screen.height - height) / 2);
  features = "toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0";	// override
  features += ",left="+l+",top="+t+",width="+width+",height="+height;
  newWin = window.open(theURL,winName,features);
  newWin.focus();
}

function pop2Up(url, url2, w, h, w2, h2) {
	var l, t, l2, t2;

	l = parseInt(screen.width/2 + 10);
	t = parseInt(screen.height/2 - 250);
	l2 = parseInt(screen.width/2 - 375);
	t2 = parseInt(screen.height/2 - 250);
	window.open(url,"outorec1","toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,height="+h+",width="+w+",left="+l+",top="+t);
	window.open(url2,"outorec2","toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,height="+h2+",width="+w2+",left="+l2+",top="+t2);
}