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;
}

/* Functions that swaps images. */
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_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;
}

/* Functions that handle preload. */
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 loadImages(){
   MM_preloadImages('/images/frame_top.jpg','/images/frame_left.jpg',
  '/images/frame_left.jpg','/images/frame_left.jpg',
  '/images/collection_1.jpg', '/images/collection_2.jpg', '/images/collection_3.jpg', '/images/collection_4.jpg', '/images/collection_5.jpg', '/images/collection_6.jpg', '/images/collection_7.jpg', '/images/collection_8.jpg', '/images/collection_9.jpg', '/images/collection_10.jpg', '/images/collection_11.jpg', '/images/collection_12.jpg', '/images/collection_13.jpg', '/images/collection_14.jpg', '/images/collection_15.jpg', '/images/collection_16.jpg');
}

function GetStyle(name) {
   if (document.getElementById)
      return document.getElementById(name).style;
   else if (document.all)
      return document.all[name].style;
   else {
      var el = document.layers[name];
      if (el != null)   return el;
      for (var i=0; i<document.layers.length; i++) {
         el = document.layers[i].document.layers[name];
         if (el != null)   return el;
      }//end-for-i
   }//end-if  
}//end-func-GetStyle

function styleRoll(span, vis) {
   var el = GetStyle(span);
   var state = vis? 'visible':'hidden';
   el.visibility = state;
}//end-func-styleRoll

function imageSwap3On(theImage, theSrc, span) {
   imageSwap2(theImage, theSrc);
   styleRoll(span, true);
}//end-func-imageSwap3On

function imageSwap3Off(theImage, theSrc, span) {
   imageSwap2(theImage, theSrc);
   styleRoll(span, false);
}//end-func-imageSwap3Off

function imageSwap2(theImage, theSrc) {
   if (document.images) {
      var img = document.images[theImage];
      if (img)   img.src = theSrc;
      else {
         for (var i=0; i<document.images.length; i++) {
            if (document.images[i].name == theSrc) {
               document.images[i].src = theSrc;
               return;
            }//end-if
         }//end-for-i
      }//end-if-img
   }//end-if-document.images
}//end-func-imageSwap2




function classRoll(span,cls) {
        theObj = GetObj(span);
        if(theObj) {
                theObj.className = cls;
        }
}

function switchCat(obj,id,state,cursor) {
        var gesture = 'default';
        var vis = false;

        if(state=='on') {
                gesture = 'pointer';
                vis = true;
        }

        if(cursor=='y') {
                obj.style.cursor = gesture;
        }
        classRoll('textcat'+id,'cat'+state);
        classRoll('line'+id,'line'+state);
}

function switchCat2(obj,id,state,cursor,imagepath) {
        var gesture = 'default';
        var vis = false;

        if(state=='on') {
                gesture = 'pointer';
                vis = true;
        }

        if(cursor=='y') {
                obj.style.cursor = gesture;
        }
        classRoll('textcat'+id,'cat'+state);
        classRoll('line'+id,'line'+state);

	if(imagepath!='') {
		MM_swapImage('mainimg','',imagepath,1);
	}
	else {
		MM_swapImgRestore();
	}
}

function switchImg(imagepath,width,height) {
        if(imagepath!='') {
if(N6) {
		document.images['mainimg'].src = '/images/blank.gif';
		document.images['mainimg'].width = width;
		document.images['mainimg'].height = height;
		document.images['mainimg'].src = imagepath;
}
else {
                MM_swapImage('mainimg','',imagepath,1);
}
        }
        else {
                MM_swapImgRestore();
        }
}

function goSubCat(url) {
	document.location = '/collection/' + url;
}

function showContent(upp) {

	winWidth = 250+20;
        winHeight = 250;
        args='top=50,left=200,screenX=0,screenY=0,width='+winWidth+',height='+winHeight+',scrollbars=yes,resizable=no';
                winImage=window.open('/collection/detail/'+upp+'/',"",args);
                winImage.opener=self;
                winImage.focus();

}

function closeDetail() {
	styleRoll('detail',false);
}

function View2(winname,theURL,top,left,width,height)
{
        msgWindow = window.open(theURL,winname,'menubar=no,scrollbars=no,toolbar=no,location=no,titlebar=no,resizable=no,status=no,screenX=0,top='+top+',screenY=0,left='+left+',width='+width+',height='+height+'');

        if (msgWindow.opener == null)
                msgWindow.opener = self;

}

function goAuditForm(lang) {
	var mapping = new Array();
	mapping['eng'] = 'en';
	mapping['hkg'] = 'ch';
	var title = new Array();
	title['eng'] = 'Registration form for FREE dance workshop' ;
	title['hkg'] = '街頭跳舞教室登記表';
	View2(title[lang],'http://www.hkyaf.com/audit5/index_'+mapping[lang]+'.phtml',50,50,800,650);
}

function goAuditFormP(lang) {
        var mapping = new Array();
        mapping['eng'] = 'en';
        mapping['hkg'] = 'ch';
        var title = new Array();
        title['eng'] = 'Registration for Public Tour';
        title['hkg'] = '公眾導賞團登記表';
        View2(title[lang],'http://www.hkyaf.com/audit4/index_'+mapping[lang]+'.phtml',50,50,800,650);
}

function showMap(lang) {
	var top = 50;
	var left = 50;
	var width = 750;
	var height = 370;
        msgWindow = window.open('/map'+lang+'.html','Map','menubar=no,scrollbars=no,toolbar=no,location=no,titlebar=no,resizable=no,status=no,screenX=0,top='+top+',screenY=0,left='+left+',width='+width+',height='+height+'');

        if (msgWindow.opener == null)
                msgWindow.opener = self;
	msgWindow.focus();
}

function viewTable(lang) {
        var top = 50;
        var left = 50;
        var width = 550 + 50;
        var height = 700;
        msgWindow = window.open('/website/event/timetable_'+lang,'Event','menubar=no,scrollbars=yes,toolbar=no,location=no,titlebar=no,resizable=no,status=no,screenX=0,top='+top+',screenY=0,left='+left+',width='+width+',height='+height+'');

        if (msgWindow.opener == null)
                msgWindow.opener = self;
}

function viewKeyword(path) {
        var top = 50;
        var left = 50;
        var width = 550 + 50;
        var height = 500;
        msgWindow = window.open(path,'','menubar=no,scrollbars=yes,toolbar=no,location=no,titlebar=no,resizable=no,status=no,screenX=0,top='+top+',screenY=0,left='+left+',width='+width+',height='+height+'');

        if (msgWindow.opener == null)
                msgWindow.opener = self;
}

var winImage;
function showImage(file,width,height,bgcolor,center,popup){
		if(bgcolor=='') bgcolor='FFFFFF';
                content = "<HTML>\n";
		content += "<HEAD>\n";
		content += "<SCRIPT language=\"JavaScript\" src=\"/common.js\"></SCRIPT>";
		content += "</HEAD>\n";
                content += "<BODY TOPMARGIN=0 LEFTMARGIN=0 BGCOLOR=#"+bgcolor+">\n";
		if(center=='Y') content += "<CENTER>\n";
                content += "<IMG SRC='"+file+"' BORDER=0>";
		if(center=='Y') content += "</CENTER>\n";
                content += "</BODY>\n";
                content += "</HTML>\n";
		if(popup=='Y'){
                	winWidth = width+20;
                	winHeight = height;
			if(winHeight>700) winHeight = 700;
                	args='top=20,left=200,screenX=0,screenY=0,width='+winWidth+',height='+winHeight+',scrollbars=yes,resizable=yes,status=no';
		}else{
                	if ((navigator.appName=="Netscape") && (parseInt(navigator.appVersion)<=4)) {
                        	winWidth = screen.availWidth;
                        	winHeight = screen.availHeight
			}else{
                		winWidth = screen.Width;
                		winHeight = screen.Height;
			}
                	args='top=0,left=0,screenX=0,screenY=0,width='+winWidth+',height='+winHeight+',toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes';
		}
                if(winImage) winImage.close();
                winImage=window.open("","",args);
                winImage.document.write(content);
                winImage.opener=self;
                winImage.focus();
}

function parent_url_control(url){ 
window.opener.location.href = url;
window.opener.focus(); 
}