// rotating photos script by Vlad Mettler
// version 1.2
// contact: info@pixeldesign.pl


	//initialise data array
	var data=new Array();
	//initialise array holding number of currently displayed photo (for each set of photos)
	var arrCurrent=new Array();
	//initialise array holding info on state of set (prev=-1, pause=0 or next=+1)
	var arrCurrentState=new Array();
	//initialise array that holds references for timeouts for different boxes
	var arrTimeout=new Array();
	
	
	function rotateForward(intWhichSet){
		stopPhoto(intWhichSet);
		if (eval('document.images["prev'+intWhichSet+'"]')){
			eval('document.images["prev'+intWhichSet+'"].src=prev.src')
			eval('document.images["pause'+intWhichSet+'"].src=pause.src')
			eval('document.images["next'+intWhichSet+'"].src=next_on.src')
		}
		arrCurrentState[intWhichSet]=1;
		changePhoto(intWhichSet);
	}
	function rotateStop(intWhichSet){
		if (eval('document.images["prev'+intWhichSet+'"]')){
			eval('document.images["prev'+intWhichSet+'"].src=prev.src')
			eval('document.images["pause'+intWhichSet+'"].src=pause_on.src')
			eval('document.images["next'+intWhichSet+'"].src=next.src')
		}
		arrCurrentState[intWhichSet]=0;
		stopPhoto(intWhichSet);
	}
	function rotateBackwards(intWhichSet){
		stopPhoto(intWhichSet);
		if (eval('document.images["prev'+intWhichSet+'"]')){
			eval('document.images["prev'+intWhichSet+'"].src=prev_on.src')
			eval('document.images["pause'+intWhichSet+'"].src=pause.src')
			eval('document.images["next'+intWhichSet+'"].src=next.src')
		}
		arrCurrentState[intWhichSet]=-1;
		changePhoto(intWhichSet);
	}
	function pressedButton(intWhichSet, strWhichButton){
		eval('document.images["'+strWhichButton+intWhichSet+'"].src='+strWhichButton+'_over.src')
	}	
	
function Photo(imgSrc,articleId,caption)
	{
		imgSrc=new String(imgSrc);
		imgSrc=imgSrc.slice(imgSrc.indexOf(">")+1);
		this.img=new Image();
		this.img.src=imgSrc;
		this.url="http://cgi.wn.com/?t=worldnews/onephoto.txt&action=display&article="+articleId;
		// cut the string to fit the box
		this.caption=caption;
		if (this.caption.length>60){
			this.caption=this.caption.slice(0,60);
			if (this.caption.charAt(this.caption.length-1)!=' '){
				this.caption=this.caption.slice(0, this.caption.lastIndexOf(' '))+"...";
			}
		}
	}

	Photo.prototype.set=function(intWhichSet)
	{
		eval("dest"+intWhichSet+"=this.url;");
		//alert("a");
		if (!document.all){
			//NS+Moz+Opera+PocketIE
			if(navigator.userAgent.indexOf('Windows CE')!=-1){
				//Pocket IE
				eval('document.images["photo'+intWhichSet+'"].src=this.img.src');
				if (obj=new Object(eval('div_textlink'+intWhichSet))){
					obj.innerHTML='<a href="'+this.url+'" target="_blank" class="rotatingtext">'+this.caption+'</'+'a>';
				}
			} else {
				eval('document.images["photo'+intWhichSet+'"].src=this.img.src');
				//NS+Moz+Opera
				if (eval("document.links['textlink"+intWhichSet+"']")){
					eval("document.links['textlink"+intWhichSet+"'].href=this.url");
					eval("document.links['textlink"+intWhichSet+"'].target='_blank'");
					eval("document.links['textlink"+intWhichSet+"'].innerHTML=this.caption");
				}
			}
		} else {
			//IE
			eval('document.images["photo'+intWhichSet+'"].src=this.img.src');
			if (objHTML=new Object(eval('document.all.div_textlink'+intWhichSet))){
				objHTML.innerHTML='<a href="'+this.url+'" target="_blank" class="rotatingtext">'+this.caption+'</a>';
			}
		}
	}
	
	var dest="";
	function redirect(intWhichSet)
	{
		eval("window.open(dest"+intWhichSet+")");
	}
	
	function changePhoto(intWhichSet)
	{
		if (arrCurrentState[intWhichSet]!=0){
			current=(arrCurrent[intWhichSet]+arrCurrentState[intWhichSet])%data[intWhichSet].length;
			if (current==-1){
				current=data[intWhichSet].length-1;
			}
			arrCurrent[intWhichSet]=current;
			data[intWhichSet][current].set(intWhichSet);
			arrTimeout[intWhichSet]=setTimeout("changePhoto("+eval(intWhichSet)+")",5000);
		}
	}
	function stopPhoto(intWhichSet){
		clearTimeout(arrTimeout[intWhichSet]);
	}

	function fetchFromURL(arg){
		if (location.href.indexOf("?")!=-1){
			args=location.href.substring(location.href.indexOf("?")+1, location.href.length)
			arrArgs=args.split("&");
			//for (x=0; x<arrArgs.length;x++){
			//	alert(arrArgs[x]);
			//}
			for (x=0; x<arrArgs.length;x++){
				//alert(arrArgs[x]);
				//alert(arrArgs[x].substring(0,arg.length));
				if (arrArgs[x].substring(0,arg.length)==arg){
					return arrArgs[x].substring(arg.length+1, arrArgs[x].length)
				}
			}
		}
		return 'notdefined';
	}
	
	function startRotation(intWhichSet){
		// hack Pocket PCs
		var timerID=null;
		if (eval('document.images["photo'+intWhichSet+'"]==undefined')){
			timerID=setTimeout("startRotation("+intWhichSet+")", 2000);
		} else {
			if (data[intWhichSet].length>0)
			{
				arrCurrent[intWhichSet]=0;
				arrCurrentState[intWhichSet]=1;
				data[intWhichSet][0].set(intWhichSet);
				rotateForward(intWhichSet);
			}
				else 
			{
				data[intWhichSet][0]=new Photo("http://cgi.wn.com/shared/active_photos/rotating_default.gif",0,"WN Network");
				data[intWhichSet][0].url="http://www.wn.com";
				data[intWhichSet][0].set(intWhichSet);
			}
		}
	}
	
	function initialiseBox(intWhichSet, boolControls, boolFoot, scheme, boolText, boxWidth, imgWidth, imgHeight, bgColour, bgImage, textSize, textColour, textFont, ctrlBGColour, ctrlBGImage, ctrlButtonWidth, ctrlButtonHeight, ctrlLogoWidth, ctrlLogoHeight, borderWidth)
	{
	//some variables can be parsed from the URL
	// decide which colour scheme is going to be displayed
	urlScheme=fetchFromURL("scheme");
	if (urlScheme!="notdefined"){
		scheme=urlScheme;
	}
	//override controls setting
	urlBoolControls=fetchFromURL("boolControls")
	if (urlBoolControls=='notdefined'){
		if (typeof(boolControls)!='boolean'){
			(typeof(boolControls)!='boolean')?boolControls=true:false;
		}
	} else {
		if (urlBoolControls=="true"){
			boolControls=true;
		} else {
			boolControls=false;
		}
	}
	//override logo setting
	urlBoolFoot=fetchFromURL("boolFoot");
	if (urlBoolFoot=='notdefined'){
		if (typeof(boolFoot)!='boolean'){
			(typeof(boolFoot)!='boolean')?boolFoot=true:false;
		}
	} else {
		if (urlBoolFoot=="true"){
			boolFoot=true;
		} else {
			boolFoot=false;
		}
	}
	if (boxWidth==undefined){boxWidth=parseInt(fetchFromURL("boxWidth"))}
	if (imgWidth==undefined){imgWidth=parseInt(fetchFromURL("imgWidth"))}
	if (imgHeight==undefined){imgHeight=parseInt(fetchFromURL("imgHeight"))}
	if (borderWidth==undefined){borderWidth=parseInt(fetchFromURL("borderWidth"))}
	//alert("boxWidth="+boxWidth);
	//alert("imgWidth="+imgWidth);
	//alert("imgHeight="+imgHeight);
	//alert("borderWidth="+borderWidth);
	
	//initialise control rollovers
	prev=new Image();
	prev.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/back.gif";
	prev_on=new Image();
	prev_on.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/back_on.gif";
	prev_over=new Image();
	prev_over.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/back_over.gif";
	pause=new Image();
	pause.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/pause.gif";
	pause_on=new Image();
	pause_on.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/pause_on.gif";
	pause_over=new Image();
	pause_over.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/pause_over.gif";
	next=new Image();
	next.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/play.gif";
	next_on=new Image();
	next_on.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/play_on.gif";
	next_over=new Image();
	next_over.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/play_over.gif";
	wnlink=new Image();
	wnlink.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/wn_logo.gif";
	wnlink_on=new Image();
	wnlink_on.src="http://cgi.wn.com/shared/active_photos/"+scheme+"/wn_logo_on.gif";
	
	//force detfaults
	(isNaN(boxWidth))?boxWidth=160:true;
	(isNaN(imgWidth))?imgWidth=150:true;
	(isNaN(imgHeight))?imgHeight=100:true;
	(isNaN(borderWidth))?borderWidth=1:true;
	
	if (bgColour==null){
		if (scheme=="classic"){
			bgColour="#fefefe";
		} else {
			bgColour='#dfdfdf'
		}
	}
	(textSize==null)?textSize=12:true;
	(textColour==null)?textColour='black':true;
	(textFont==null)?textFont='Arial, Helvetica, sans-serif':true;
	(typeof(boolFoot)!='boolean')?boolFoot=true:false;
	(typeof(boolText)!='boolean')?boolText=true:false;
	(typeof(bgImage)!='boolean')?bgImage=true:false;
	(ctrlButtonWidth==null)?ctrlButtonWidth=21:true;
	(ctrlButtonHeight==null)?ctrlButtonHeight=18:true;
	(ctrlLogoWidth==null)?ctrlLogoWidth=71:true;
	(ctrlLogoHeight==null)?ctrlLogoHeight=30:true;
	if (ctrlBGColour==null){
		if (scheme=="classic"){
			ctrlBGColour="ccddff";
		} else {
			ctrlBGColour='#dfdfdf'
		}
	}
	(typeof(ctrlBGImage)!='boolean')?ctrlBGImage=true:false;
	ctrlButtonSeparation=3;
	ctrlMarginTop=5;
	ctrlMarginBottom=5;
	
	// determine additional variables
	//upper box
	if (bgImage){
		imgBGImage='background-image : url(http://cgi.wn.com/shared/active_photos/'+scheme+'/bgr_top.gif);'
	} else {
		imgBGImage='';
	}
	
	// image
	imgMarginHorizontal=(boxWidth-imgWidth)/2;
	((imgMarginVertical=imgMarginHorizontal)>5)?imgMarginVertical=5:false;
	
	
	//text
	if (boolText){
		textHeight=4*parseInt(textSize);
		textMarginHorizontal=imgMarginHorizontal;
		textMarginVertical=3;
	} else {
		textHeight=0;
		textMarginHorizontal=0;
		textMarginVertical=0;
	}
	
	//controls
	if (boolControls || boolFoot){
		if(ctrlBGImage){
			ctrlBGImage='background-image : url(http://cgi.wn.com/shared/active_photos/'+scheme+'/bgr_bottom.gif);';
		}
		if (boolFoot){
			ctrlMarginLeft=((boxWidth-ctrlLogoWidth-6)-(3*ctrlButtonWidth)-(2*ctrlButtonSeparation))/2;
			ctrlHeight=ctrlLogoHeight+ctrlMarginTop+ctrlMarginBottom;
			ctrlMarginButtonTop=((ctrlHeight-ctrlButtonHeight)+(ctrlMarginTop-ctrlMarginBottom))/2;
			//ctrlMarginButtonTop=ctrlMarginTop-2;
			ctrlMarginButtonBottom=ctrlHeight-ctrlButtonHeight-ctrlMarginButtonTop;
			//ctrlMarginButtonBottom=6;
		} else {
			ctrlMarginLeft=(boxWidth-(3*ctrlButtonWidth)-(2*ctrlButtonSeparation))/2;
			ctrlHeight=ctrlButtonHeight+ctrlMarginTop+ctrlMarginBottom;
			ctrlMarginButtonTop=((ctrlHeight-ctrlButtonHeight)+(ctrlMarginTop-ctrlMarginBottom))/2;
			//ctrlMarginButtonTop=ctrlMarginTop-2;
			ctrlMarginButtonBottom=ctrlHeight-ctrlButtonHeight-ctrlMarginButtonTop;
			//ctrlMarginButtonBottom=6;
		}
	}else{
		ctrlHeight=0;
	}
	//recalculate the box height
	boxHeight=imgHeight+(imgMarginVertical*2)+textHeight+ctrlHeight;
	document.write('<style>.rotatingtext{text-decoration:none;color:'+textColour+'}.rotatingtext:hover{text-decoration:underline;}</style>');
	document.write('<div style="'+imgBGImage+'width:'+boxWidth+';height:'+boxHeight+';border:'+borderWidth+'px solid black; padding:0px;text-align:center;background-color:'+bgColour+'">');
		document.write('<div style="width:100%;font-size:'+textSize+'px;font-family:'+textFont+';">');
			document.write('<a href="javascript:redirect('+intWhichSet+')" id="photolink'+intWhichSet+'"><img id="photo'+intWhichSet+'" name="photo'+intWhichSet+'" width="'+imgWidth+'" height="'+imgHeight+'" border="0" src="http://cgi.wn.com/shared/active_photos/rotating_default.gif" style="margin:'+imgMarginVertical+'px '+imgMarginHorizontal+'px '+imgMarginVertical+'px '+imgMarginHorizontal+'px;" alt=""></'+'a>');
			divstyle='style="height:'+textHeight+'px;padding-left:'+imgMarginHorizontal+'px;padding-right:'+imgMarginHorizontal+'px;"'
			if (boolText){
				divid='id="div_textlink'+intWhichSet+'"';
				linkid='id="textlink'+intWhichSet+'"';
				document.write('<div '+divid+' '+divstyle+'>');
					document.write('<a href="http://www.wnnetwork.com" '+linkid+' class="rotatingtext" target="_blank">WN Network</a>');
				document.write('</div>');
				if (boolControls || boolFoot){
					document.write('<div style="'+ctrlBGImage+'height:'+ctrlHeight+';text-align:left;vertical-align:middle;width:'+boxWidth+';background-repeat: repeat-x;background-color:'+ctrlBGColour+'">');
					if (boolFoot){
						document.write('<a href="http://wnnetwork.com" target="_blank"><img src="http://cgi.wn.com/shared/active_photos/'+scheme+'/wn_logo.gif" width="'+ctrlLogoWidth+'" height="'+ctrlLogoHeight+'" style="margin-top:'+ctrlMarginTop+'px;margin-right:6px;float:right;" onmousedown="this.src=wnlink_on.src" onmouseup="this.src=wnlink.src" border="0" alt=""></a>')
					}
					if (boolControls){
						document.write('<a href="javascript:rotateBackwards('+intWhichSet+')"><img src="http://cgi.wn.com/shared/active_photos/'+scheme+'/back.gif" width="'+ctrlButtonWidth+'" height="'+ctrlButtonHeight+'" style="margin-left:'+ctrlMarginLeft+';margin-top:'+ctrlMarginButtonTop+'px;margin-bottom:'+ctrlMarginButtonBottom+'px" id="prev'+intWhichSet+'" border="0" onmousedown="this.src=prev_over.src" alt="<"></a>')
						document.write('<a href="javascript:rotateStop('+intWhichSet+')"><img src="http://cgi.wn.com/shared/active_photos/'+scheme+'/pause.gif" width="'+ctrlButtonWidth+'" height="'+ctrlButtonHeight+'" style="margin-left:'+ctrlButtonSeparation+'px;margin-top:'+ctrlMarginButtonTop+'px;margin-bottom:'+ctrlMarginButtonBottom+'px" id="pause'+intWhichSet+'" border="0" onmousedown="this.src=pause_over.src" alt="="></a>')
						document.write('<a href="javascript:rotateForward('+intWhichSet+')"><img src="http://cgi.wn.com/shared/active_photos/'+scheme+'/play_on.gif" width="'+ctrlButtonWidth+'" height="'+ctrlButtonHeight+'" style="margin-left:'+ctrlButtonSeparation+'px;margin-top:'+ctrlMarginButtonTop+'px;margin-bottom:'+ctrlMarginButtonBottom+'px" id="next'+intWhichSet+'" border="0" onmousedown="this.src=next_over.src" alt=">"></a>')
					}
					document.write('</div>');
				}
			}
		document.write('</div>');
	document.write('</div>');
	if(navigator.userAgent.indexOf('Windows CE')==-1){
		//hack needed for pocket PC: this function has to be called in a separate script block. Otherwise function fails. Cause undetermined. Probably slow generation of HTML via JS.
		startRotation(intWhichSet);
	}
}