// JavaScript Document
document.write('<a href="javascript:changelang(\'tc\');" onMouseOver="MM_swapImage(\'btn_ch\',\'\',\'../images/btn_ch_on.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="../images/btn_ch_off.gif" name="btn_ch" hspace="5" border="0" id="btn_ch"></a><a href="javascript:changelang(\'sc\');" onMouseOver="MM_swapImage(\'btn_gb\',\'\',\'../images/btn_gb_on.gif\',1);MM_swapImage(\'btn_gb\',\'\',\'../images/btn_gb_on.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="../images/btn_gb_off.gif" name="btn_gb" width="27" height="20" hspace="5" border="0" id="btn_gb"></a><a href="javascript:;" onMouseOver="MM_swapImage(\'btn_en\',\'\',\'../images/btn_en_on.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="../images/btn_en_off.gif" name="btn_en" hspace="5" border="0" id="btn_en"></a>');


// JavaScript Document

webserver_path = "www.english.gov.hk";
kanserver_path = "sc.info.gov.hk/gb/";
//webserver_path = "cd.emb.gov.hk";
//kanserver_path = "sc.emb.gov.hk/gb/";

div_path = "/";
cv_sc_base_path = "http:" + "//" + kanserver_path + webserver_path;
cv_nonsc_base_path = "http:" + "//" + webserver_path;
cv_sc_base_path = cv_nonsc_base_path;

sc_path = cv_sc_base_path + div_path;
tc_path = cv_nonsc_base_path + div_path;

if (location.href.toString().search('/sc/') != -1 || location.href.toString().search('/sc_txt/') != -1) {
	atgb = 1
} else {
	atgb = 0;
}

function changelang(lang)
{
var selfUrl = self.location;
var oldUrl = new String (selfUrl);
var var_start = oldUrl.indexOf('?');
var var_end = oldUrl.length;
var var_url="";
var redirect = "yes";

if (var_start != -1)
{
var_url = oldUrl.substring(var_start, var_end);
}
//alert(var_url);
 if (parent.frames.length > 0)
  {
	for (i=0; i<parent.frames.length; i++)
	{
		org_path=parent.frames[i].location.pathname;
		
		//org_path_start=org_path.indexOf(div_path);
		org_path_start=org_path.indexOf(webserver_path);
		if (org_path_start>-1)
		{
			org_path_end=webserver_path.length;
			//add=org_path.substring(org_path_start, org_path_end);
			add = org_path.substring(org_path_start+org_path_end, org_path.length);
		}
		else
		{
			org_path_end=org_path.length;
			add=org_path.substring(org_path_start, org_path_end);
		}
		
		if (lang == "tc")
		{
			tempPath = add.replace("/en/", "/b5/");
		}
		else if (lang == "sc")
		{
			tempPath = add.replace("/en/", "/b5/");
		}
		else if (lang == "en")
		{
			tempPath = add.replace("/b5/", "/en/");
		}
		path = tempPath;

		if (lang == 'sc') {
			base_path = cv_sc_base_path;
		} else {
			base_path = cv_nonsc_base_path;
		}	
	
		parent.frames[i].location.href = base_path + path;

	}
  }
  else
  {
	  	org_path=parent.location.pathname;
		org_path_start=org_path.indexOf(webserver_path);
//		alert(org_path);
		if (org_path_start>-1)
		{
			org_path_end=webserver_path.length;
			//add=org_path.substring(org_path_start, org_path_end);
			add = org_path.substring(org_path_start+org_path_end, org_path.length);
		}
		else
		{
			org_path_start=org_path.indexOf(div_path);
			org_path_end=org_path.length;
			add=org_path.substring(org_path_start, org_path_end);
		}
		if (lang == "tc")
		{
			tempPath = add.replace("/eng/", "/chi/");
			//if (tempPath.indexOf("wec_program.asp") > 0 )
			//{
			//	tempPath = tempPath.replace("wec_program.asp", "../html/wec_hkweb.htm")
			//}
		}
		else if (lang == "sc")
		{
			tempPath = add.replace("/eng/", "/sc/");
		}
		else if (lang == "en")
		{
			tempPath = add.replace("/b5/", "/en/");
			
		}
		
		else if (lang == "txt")
		{
			tempPath = add.replace("/b5/", "/b5_txt/");
			if (tempPath.indexOf("st_home") > 0 )
			{
				tempPath = tempPath.replace("st_home.asp", "../index_txt.asp?id=b5")
			}
			else if (tempPath.indexOf("st_01") >0)
			{
				tempPath = tempPath.substring(0, tempPath.indexOf("b5_txt/st_01")) + "index_txt.asp?id=b5";
				var_url = "";
			}
		}
		path = tempPath;

		if (lang == 'sc') {
			base_path = cv_sc_base_path;
		} else {
			base_path = cv_nonsc_base_path;
		}	
//			alert(var_url);
//		alert(base_path+path+ var_url)
  	parent.location.href = base_path + path + var_url;

  }

}

function show_link() {

	if (atgb) 
	{
		document.write (" <a href=\"javascript:changelang('tc')\" onMouseOver=\"MM_swapImage('top_ch','','eng/images/gb/top_ch_over.gif',1)\" onMouseOut=\"MM_swapImgRestore()\"><img src=\"eng/images/gb/top_ch.gif\" alt=\"ˆWcAˆm\" name=\"top_ch\" width=35 height=30 border=0 id=\"top_ch\"></a>");


	} else 
	{
//		document.write (" <a href=\"javascript:changelang('sc')\" onMouseOver=\"MM_swapImage('top_ch','','eng/images/b5/top_ch_over.gif',1)\" onMouseOut=\"MM_swapImgRestore()\"><img src=\"../images/b5/top_ch.gif\" alt=\"A2Aˆm\" name=\"top_ch\" width=35 height=30 border=0 id=\"top_ch\"></a>");
		document.write (" <a href=\"#\" onMouseOver=\"MM_swapImage('top_ch','','eng/images/b5/top_ch_over.gif',1)\" onMouseOut=\"MM_swapImgRestore()\"><img src=\"eng/images/b5/top_ch.gif\" alt=\"A2Aˆm\" name=\"top_ch\" width=35 height=30 border=0 id=\"top_ch\"></a>");

	}
}