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) { //v3.0
  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); 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 swapLang(currLang,destLang){
	var baseLinks = new Array();
	baseLinks[0] = 'http://www.mlp.com.hk';
	baseLinks[1] = 'http://mlp.com.hk';
	
	var enLink = '';	
	var tcLink = '/tc';
	
	var currLink = enLink;
	var swap2Link = enLink;
	
	if (currLang == "tc") {
		currLink = tcLink;
	}
	if (destLang == "tc") {
		swap2Link = tcLink;
	}	
	var link = document.URL;
	for (i=0;i<baseLinks.length;i++) {
		link = ReplaceAll(link,baseLinks[i],'');
	}
	if (currLink.length > 0) {
		link = ReplaceAll(link,currLink,'');
	}
	try {
		window.location.href = baseLinks[0] + swap2Link + link;
	}
	catch(e){alert(e)}
}

function ReplaceAll(strOrg,strFind,strReplace){
	var index = 0;
	while(strOrg.indexOf(strFind,index) != -1){
		strOrg = strOrg.replace(strFind,strReplace);
		index = strOrg.indexOf(strFind,index);
	}
	return strOrg
}