var usesEnglish = true;

function getCookie()
{
  var dc = document.cookie;
  var prefix = "chinese=";
  var begin = dc.indexOf(prefix);
  if (begin == -1) 
  {
    begin = dc.indexOf(prefix);
    if (begin != 0) 
	  return null;
  }
  else
    begin += 2;
	
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
	
  var cookieVal = unescape(dc.substring(8, end));
  return cookieVal;
}

function findMenu() 
{
  var cookieVal = getCookie();
  if (cookieVal == "yes")
  {
  	usesEnglish = false;
    writeChineseMenu();
  }
  else
  	writeEnglishMenu();
}

function writeText()
{
/* // removed for now
	if (usesEnglish)
		document.write("看法用中文");
	else
		document.write("View in English");	
		*/
}

function swap()
{
	if (usesEnglish)
	{
	  document.cookie = "chinese=yes;path=/;expires=Sat, 31 Dec 2050 23:59:59 GMT;domain=pcactexas.org";
	  
	  /* Reload the page */
	  window.location = window.location;
	}
	else
	{
	  document.cookie = "chinese=no;path=/;expires=Sat, 31 Dec 1980 23:59:59 GMT;domain=pcactexas.org";

	  /* Reload the page */
	  window.location = window.location;
	}
}

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

function MM_swapImgRestore() 
{ 
  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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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_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 getYear()
{
	var myDate = new Date();
	var year = myDate.getYear();
	if (year < 2000);
		year += (year < 1900) ? 1900 : 0;
	document.write(year);
}

function writeImage()
{
	var addr = window.location.href;
	var index = parseInt(addr.indexOf("img=")) + 4;
	if (index < 4)
	{
		document.writeln("");
		return;
	}
	
	var lastInd = parseInt(addr.indexOf("&", index));
	if (lastInd < 4)
		lastInd = addr.length;
			
	var imgName = unescape(addr.substring(index, lastInd));
	document.writeln("<img src='" + imgName + "' border='0' alt='' width='440' valign='top' vspace='5' hspace='5' />");
}

function writeTitle()
{
	var addr = window.location.href;
	var index = parseInt(addr.indexOf("title=")) + 6;
	if (index < 6)
	{
		document.writeln("images");
		return;
	}
	
	var lastInd = parseInt(addr.indexOf("&", index));
	if (lastInd < 6)
		lastInd = addr.length;
			
	var title = unescape(addr.substring(index, lastInd));
	document.writeln(title);
}

function writeCaption()
{
	var addr = window.location.href;
	var index = parseInt(addr.indexOf("caption=")) + 8;
	if (index < 8)
	{
		document.writeln("");
		return;
	}
	
	var lastInd = parseInt(addr.indexOf("&", index));
	if (lastInd < 8)
		lastInd = addr.length;
			
	var caption = unescape(addr.substring(index, lastInd));
	document.writeln(caption);
}

function checkLinks() 
{
  var isDOM = document.getElementById ? true : false;
  var isIE  = document.all ? true : false;
  var isNS  = document.layers ? true : false;
 
  var aLinks = [];
  aLinks = (isIE) ? document.all.crumbs : (isDOM) ? document.getElementsByName("crumbs") : document.layers["crumbs"];
	
	var addr = window.location.href;
	for (var j = 0; j < aLinks.length; j++) 
	{
		var thisLink = aLinks[j];
  	if (addr.indexOf(thisLink.href) != -1)
		{
			if (isIE)
			{
				thisLink.parentElement.innerText = thisLink.innerText;
				thisLink.style.display = "none";
			}
			else if (isDOM)
			{
				thisLink.parentNode.innerHTML = thisLink.innerHTML;
				thisLink.style.visibility = "hidden";
			}
		}
  }
}