var a = "/aboutgem";
 var b = "/listingrules";
 var c = "/sponsors";
 var d = "/prices"; 
 var e = "/statistics";
 var f = "/latest";
 var g = "/newlistings";
 var h = "/company";
 var i = "/research";
 var j = "/investor";

function changecontent(name)
{
// get the content page version
/*
 var thispage = location.href;
 var start = thispage.lastIndexOf("/")+1;
 var filename = thispage.substring(start,thispage.length);
 var ver = filename.substring(0, filename.indexOf("_")+1);
*/
// get the path without folder and name
/* 
 var wofilepath = thispage.substring(0,start-1);
 var leftpath = wofilepath.substring(0,wofilepath.lastIndexOf("/")+1);
 var fullpath = leftpath + name + "/" + ver + "main.htm";
 top.frames[2].document.location = fullpath;
*/

 var thispage = ''+location.href;
 var start = thispage.lastIndexOf("/")+1;
 var filename;
 filename = thispage.substring(start,thispage.length);
 var ver = filename.substring(0, filename.indexOf("_")+1);
// top.frames[2].document.location = ".." + name + "/" + ver + "main.htm";
// top.frames[2].document.location = name + "/" + ver + "main.htm";
// top.frames[2].location.href = name + "/" + ver + "main.htm";
//top.location.href = "/top.asp?dir="+escape(name)+"&lang="+escape(ver)+"&f3="+escape("main.htm");
 var strDate = (Date()).toString();
 var ran = strDate.substring(17,19);

 if (thispage.indexOf('/sc.hkex.com.hk/') != -1) {
    var hkgem_url = getDomain(replaceCharacters(thispage,'/sc.hkex.com.hk/gb/','/'));
	top.location.href = "http://sc.hkex.com.hk/gb/" + hkgem_url + name + "/" + ver + "default.htm?ref="+escape(ran);	 
 } else {
	top.location.href = name + "/" + ver + "default.htm?ref="+escape(ran);
 }
}

function replaceCharacters(conversionString,inChar,outChar){
  var convertedString = conversionString.split(inChar);
  convertedString = convertedString.join(outChar);
  return convertedString;
}

function getDomain(url) {
	var lead_slashes = url.indexOf("://");
	var domain_start = lead_slashes + 3;
	var without_resource = url.substring(domain_start,url.length);
	var next_slash = without_resource.indexOf("/");
	var domain = without_resource.substring(0, next_slash);
	return domain;
}