// Adobe Imageready rollover scripts (Requires "onload=preloadImages();" call on page)
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

//Roll-over image pre-load routine
var preloadFlag = false;
function preloadImages(strThemePath) {
    if (document.images) {
		btn_home_over = newImage(strThemePath + "btn_home-over.jpg");
		btn_home_down = newImage(strThemePath + "btn_home-down.jpg");
		btn_home_btn_games_over = newImage(strThemePath + "btn_home-btn_games_over.jpg");
		btn_home_btn_games_down = newImage(strThemePath + "btn_home-btn_games_down.jpg");
		btn_games_btn_careers_over = newImage(strThemePath + "btn_games-btn_careers_over.jpg");
		btn_games_btn_careers_down = newImage(strThemePath + "btn_games-btn_careers_down.jpg");
		btn_games_btn_home_over = newImage(strThemePath + "btn_games-btn_home_over.jpg");
		btn_games_btn_home_down = newImage(strThemePath + "btn_games-btn_home_down.jpg");
		btn_games_over = newImage(strThemePath + "btn_games-over.jpg");
		btn_games_down = newImage(strThemePath + "btn_games-down.jpg");
		btn_careers_over = newImage(strThemePath + "btn_careers-over.jpg");
		btn_careers_down = newImage(strThemePath + "btn_careers-down.jpg");
		btn_careers_btn_publishers_over = newImage(strThemePath + "btn_careers-btn_publishers_.jpg");
		btn_careers_btn_publishers_down = newImage(strThemePath + "btn_careers-btn_publishe-18.jpg");
		btn_careers_btn_games_over = newImage(strThemePath + "btn_careers-btn_games_over.jpg");
		btn_careers_btn_games_down = newImage(strThemePath + "btn_careers-btn_games_down.jpg");
		btn_publishers_btn_careers_over = newImage(strThemePath + "btn_publishers-btn_careers_.jpg");
		btn_publishers_over = newImage(strThemePath + "btn_publishers-over.jpg");
		btn_publishers_down = newImage(strThemePath + "btn_publishers-down.jpg");
		btn_publishers_btn_company_over = newImage(strThemePath + "btn_publishers-btn_company_.jpg");
		btn_publishers_btn_company_down = newImage(strThemePath + "btn_publishers-btn_compa-26.jpg");
		btn_company_btn_publishers_over = newImage(strThemePath + "btn_company-btn_publishers_.jpg");
		btn_company_over = newImage(strThemePath + "btn_company-over.jpg");
		btn_company_down = newImage(strThemePath + "btn_company-down.jpg");
		papaya_sign_over = newImage(strThemePath + "papaya_sign-over.jpg");
		papaya_sign_down = newImage(strThemePath + "papaya_sign-down.jpg");
		sb_papaya_sign_over = newImage(strThemePath + "sb_papaya_sign-over.jpg");
		sb_papaya_sign_down = newImage(strThemePath + "sb_papaya_sign-down.jpg");
		sb_mainbody_logo = newImage(strThemePath + "sb_mainbody_logo.jpg");
		sb_mainbody = newImage(strThemePath + "sb_mainbody.jpg");
		btn_back_down = newImage(strThemePath + "btn_back-down.jpg");
		btn_back_over = newImage(strThemePath + "btn_back-over.jpg");
		btn_photos_over = newImage(strThemePath + "btn_photos-over.jpg");
		btn_photos_down = newImage(strThemePath + "btn_photos-down.jpg");
		btn_videos_over = newImage(strThemePath + "btn_videos-over.jpg");
		btn_videos_down = newImage(strThemePath + "btn_videos-down.jpg");
		
	    preloadFlag = true;
    }
}
    
//DHTML CSS scrollbar scripts. (Requires dom-drag.js and ypSimpleScorrC.js for scroll and drag function support and onload="scrollbarInitialize()" call on page)
function scrollbarInitialize() 
{
	theScrollbar  = document.getElementById("Scrollbar");
	theScrollObject.load();

//	init : function(o, oRoot, minX, maxX, minY, maxY, bSwapHorzRef, bSwapVertRef, fXMapper, fYMapper)
	Drag.init(theScrollbar, null, intTextAreaLeft + intScrollAreaWidth, intTextAreaLeft + intScrollAreaWidth, intTextAreaTop, intTextAreaTop + intTextAreaHeight);

// the number of pixels the thumb can travel vertically (max - min)
	scrollbarTravel = theScrollbar.maxY - theScrollbar.minY;

// Work out the height of the scrollbar proportional to the content
	intScrollbarHeight = Math.round( scrollbarTravel / (theScrollObject.docH / scrollbarTravel ) );
	theScrollbar.maxY = theScrollbar.maxY - intScrollbarHeight;
	document.getElementById("Scrollbar").style.height = intScrollbarHeight + "px";

// Remove some height for the bottom graphic
	intScrollbarBottomGraphic = intScrollbarHeight - 29;

// Position the bottom graphic over the bottom of the toolbar
	document.getElementById("ScrollbarBottom").style.top = intScrollbarBottomGraphic + "px";

// Reset the scrollbar travel now we have worked out the scrollbar size 
	scrollbarTravel = theScrollbar.maxY - theScrollbar.minY;

// the ratio between scroller movement and thumbMovement
	scrollRatio = theScrollObject.scrollH / scrollbarTravel;

// if scrollH is 0 then there is no scrollable area, so hide the scroll objects and don't bind them
	if (theScrollObject.scrollH == 0){
	    document.getElementById("Scrollbar").style.visibility = "hidden"
        document.getElementById("Scrollslot").style.visibility = "hidden"
        document.getElementById("ScrollslotTop").style.visibility = "hidden"
        document.getElementById("ScrollslotBottom").style.visibility = "hidden"
	}
	else{
// make the scrollbar visible
	    document.getElementById("Scrollbar").style.visibility = "visible"
        document.getElementById("Scrollslot").style.visibility = "visible"	    
        document.getElementById("ScrollslotTop").style.visibility = "visible"
        document.getElementById("ScrollslotBottom").style.visibility = "visible"

// bind the drag function to the scrollbar
        theScrollbar.onDrag = function(x, y) {
	        theScrollObject.jumpTo(null, Math.round((y - theScrollbar.minY) * scrollRatio));}
	}
}

//Code to do image fading in and out
function initFadeImage(fadeOutId, fadeInID, fadeSpeed) {
  fadeOutImage =  document.getElementById(fadeOutId);
  fadeInImage =  document.getElementById(fadeInID);
  if (fadeOutImage!=null)
  {
      setOpacity(fadeOutImage, 100);
      fadeOutImage.style.visibility = 'visible';
      fadeOut(fadeOutId,100,fadeSpeed);
  }
  if (fadeInImage!=null)
  {
      setOpacity(fadeInImage, 0);
      fadeInImage.style.visibility = 'visible';
      fadeIn(fadeInID,100,fadeSpeed);
  }
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity,fadeSpeed) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += 100/fadeSpeed;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+","+fadeSpeed+")", 100);
    }
  }
}

function fadeOut(objId,opacity,fadeSpeed) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity >= 0) {
      setOpacity(obj, opacity);
      opacity -= (100/fadeSpeed);
      window.setTimeout("fadeOut('"+objId+"',"+opacity+","+fadeSpeed+")", 100);
    }
  }
}