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 MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function trim(str) {
	return str.replace(/^\s*(\S*)\s*$/, "$1");
}

function isValidEmailFormat(str) {
	var re = new RegExp(/^\S*\@\S*\.\S*$/);
	if (!re.test(str)) {
		return false;
	} else {
		return true;
	}
}

// *******   For ¸ê°T¤Ñ¦a Section **************//

function resizeArticleWindow(obj) {

	var w,h;

	w = obj.clientWidth + 10;
	h = obj.clientHeight + 30;

	self.resizeTo(w,h);

//	alert(w);
}

function hiddenPulldown() {

	var loc = document.location.pathname;
	var temp = loc.replace("/npcc","");
//	var cfolder = temp.substring(0,temp.lastIndexOf("/")+1);
	var f = temp;
	var obj = null;
	var obj1 = null;
	var obj2 = null;

	switch (f) {
		case "/gallery/listTopic.asp":
			obj = document.all.browser;
			break;
		case "/gallery/viewGallery.asp":
			obj = document.all.browser;
			break;
		case "/gallery/recommend.asp":
			obj = document.all.browser;
			break;
		case "/book_s/index.asp":
			obj = document.all.book;
			obj1 = document.all.chapter;
			break;
		case "/book_t/index.asp":
			obj = document.all.book;
			obj1 = document.all.chapter;
			break;
		case "/ecard/listTemplates_A.asp":
			obj = document.all.templateType_menu;
			obj1 = document.all.chapter;
			break;
		case "/ecard/listTemplates_B.asp":
			obj = document.all.templateType_menu;
			break;
		case "/ecard/listTemplates_C.asp":
			obj = document.all.templateType_menu;
			break;
		case "/ecard/listTemplates_O.asp":
			obj = document.all.templateType_menu;
			break;
		case "/cardposter/index2.asp":
			obj = document.all.itemType;
			break;
		case "/eclass/index.asp":
			obj = document.all.book;
			break;
		case "/eexercise/index.asp":
			obj = document.all.book;
			break;
		case "/t_eexreport/index.asp":
			obj = document.all.level;
			obj1 = document.all.book;
			obj2 = document.all.chapter;
			break;
		case "/t_eexreport/class.asp":
			obj = document.all.studentLevel;
			obj1 = document.all.book;
			obj2 = document.all.chapter;
			break;
		case "/t_eexreport/individual.asp":
			obj = document.all.book;
			break;
		case "/eexreport/index.asp":
			obj = document.all.book;
			break;
		case "/ianimation/index.asp":
			obj = document.all.book;
			break;
		case "/picturebank/index.asp":
			obj = document.all.book;
			obj1 = document.all.color;
			break;
	}


	if (obj != null) {
		obj.style.visibility = "hidden";
	}
	if (obj1 != null) {
		obj1.style.visibility = "hidden";
	}
	if (obj2 != null) {
		obj2.style.visibility = "hidden";
	}
}

function showPulldown() {

	var loc = document.location.pathname;
	var temp = loc.replace("/npcc","");
//	var cfolder = temp.substring(0,temp.lastIndexOf("/")+1);
	var f = temp;
	var obj = null;
	var obj1 = null;
	var obj2 = null;

	switch (f) {
		case "/gallery/listTopic.asp":
			obj = document.all.browser;
			break;
		case "/gallery/viewGallery.asp":
			obj = document.all.browser;
			break;
		case "/gallery/recommend.asp":
			obj = document.all.browser;
			break;
		case "/book_s/index.asp":
			obj = document.all.book;
			obj1 = document.all.chapter;
			break;
		case "/book_t/index.asp":
			obj = document.all.book;
			obj1 = document.all.chapter;
			break;
		case "/ecard/listTemplates_A.asp":
			obj = document.all.templateType_menu;
			obj1 = document.all.chapter;
			break;
		case "/ecard/listTemplates_B.asp":
			obj = document.all.templateType_menu;
			break;
		case "/ecard/listTemplates_C.asp":
			obj = document.all.templateType_menu;
			break;
		case "/ecard/listTemplates_O.asp":
			obj = document.all.templateType_menu;
			break;
		case "/cardposter/index2.asp":
			obj = document.all.itemType;
			break;
		case "/eclass/index.asp":
			obj = document.all.book;
			break;
		case "/eexercise/index.asp":
			obj = document.all.book;
			break;
		case "/t_eexreport/index.asp":
			obj = document.all.level;
			obj1 = document.all.book;
			obj2 = document.all.chapter;
			break;
		case "/t_eexreport/class.asp":
			obj = document.all.studentLevel;
			obj1 = document.all.book;
			obj2 = document.all.chapter;
			break;
		case "/t_eexreport/individual.asp":
			obj = document.all.book;
			break;
		case "/eexreport/index.asp":
			obj = document.all.book;
			break;
		case "/ianimation/index.asp":
			obj = document.all.select2;
			break;
		case "/picturebank/index.asp":
			obj = document.all.book;
			obj1 = document.all.color;
			break;
	}


	if (obj != null) {
		obj.style.visibility = "visible";
	}
	if (obj1 != null) {
		obj1.style.visibility = "visible";
	}
	if (obj2 != null) {
		obj2.style.visibility = "visible";
	}

}

function moveWindowToCentre() {

		screenWidth = screen.width;
		screenHeight = screen.height;

		browserWidth = document.body.clientWidth;
		browserHeight = document.body.clientHeight;

		browserPosition_x = (screenWidth - browserWidth) / 2;
		browserPosition_y = (screenHeight - browserHeight) / 2;
//		alert(screenWidth / 2);
//		alert(browserPosition_y);

		window.moveTo( browserPosition_x, browserPosition_y);

	}


function showLegalNotice(path) {
	MM_openBrWindow(path + 'notice/legal.asp','legalpoppup','left=0,top=0,width=500,height=450');
}

function showPrivacyNotice(path) {
	MM_openBrWindow(path + 'notice/eng/privacy_e.asp','privacypoppup','left=0,top=0,width=500,height=450')
}