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) { //v4.0
  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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function changeLang(lang) {
// gbPath='sc.lau-hk.com:8899/gb/'
//  var gbPath='server:8899/gb/'
serverside=""

  x=(window.location+'');
if (x.match('.cgi')!=null) {alert("Can not change Language at search result.")}else{

  var gbPath='sc.info.gov.hk/gb/'
  re1='';re2='';to1='';to2='';
  x=(window.location+'');
  if (x.match('htt'+'p://')!=null) { x=x.replace(/http:\/\//g,'');serverside="T"}

  if (x.substr(0,11)=="info.gov.hk") {x="www."+x}	

  if (x.match(gbPath)!=null) { 
   re1=new RegExp(gbPath,'g');
   re2=/chinese/g;
  } else if (x.match('chinese')!=null) { re1='';re2=/chinese/g; }
  else if (x.match('english')!=null) { re1='';re2=/english/g; }
  if (lang=='b5') { to1=''; to2='chinese'; }
  else if (lang=='en') { to1='';to2='english'; }
  else if (lang=='gb') { to1=gbPath;to2='chinese'; }
  x=x.replace(re1,to1);
  x=x.replace(re2,to2);

if (serverside=="T") {newpath=('htt'+'p://'+x)}else{newpath=x}
window.location = newpath
}

}


function varWidth() {
	app=navigator.appName
	if (app.indexOf('Microsoft') != -1) {
		pageWidth = document.body.offsetWidth;
	} else if (app.indexOf('Netscape') != -1) {
		pageWidth = window.innerWidth
	}
	if (pageWidth > 955) {
		result = 955;
	} else {
//		result = 760;
		result = 955;
	}
	return result;
}


function explain2(url){
stop=window.screen.height-280;
sleft=window.screen.width-310;
window.open(url,'_blank','scrollbars=1,width=300,height=200,top='+stop+',left='+sleft);
}


function explain(url){
window.open(url);
}