var resizeSpeed = 7;	// controls the speed of the image resizing (1=slowest and 10=fastest)
var borderSize = 10;	//if you adjust the padding in the CSS, you will need to update this variable
//	Global Variables
var PanCaption;
var PanID;
if(resizeSpeed > 10){ resizeSpeed = 10;}
if(resizeSpeed < 1){ resizeSpeed = 1;}
resizeDuration = (11 - resizeSpeed) * 0.15;
Object.extend(Element, {
	getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
	},
	getHeight: function(element) {
	   	element = $(element);
	   	return element.offsetHeight; 
	},
	setWidth: function(element,w) {
	   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   		element = $(element);
    	element.style.height = h +"px";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

Array.prototype.removeDuplicates = function () {
	for(i = 1; i < this.length; i++){
		if(this[i][0] == this[i-1][0]){
			this.splice(i,1);
		}
	}
}

Array.prototype.empty = function () {
	for(i = 0; i <= this.length; i++){
		this.shift();
	}
}

var L360box = Class.create();

L360box.prototype = {
	
	initialize: function() {	
	},

	start: function(PanNumber,PanDescription) {	
		hideSelectBoxes();
		var arrayPageSize = getPageSize();
		Element.setHeight('L360boxoverlay', arrayPageSize[1]);
		new Effect.Appear('L360boxoverlay', { duration: 0.2, from: 0.0, to: 0.8 });
		var arrayPageScroll = getPageScroll();
		var L360boxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15);
		Element.setTop('L360box', L360boxTop);
		Element.show('L360box');
		PanCaption=PanDescription;
		PanID=PanNumber;
		this.changeImage();
	},

	changeImage: function() {	
		Element.hide('L360boxImage');
		Element.setInnerHTML( 'L360boxImage', '');
		Element.hide('L360boximageDataContainer');
		Element.hide('L360boxnumberDisplay');		
		
		Element.setHeight('L360boxouterImageContainer',150);
		Element.setWidth('L360boxouterImageContainer',150);
		Element.setHeight('L360boxImage',250);
		Element.setWidth('L360boxImage',250);
		myL360box.resizeImageContainer(641, 300);
	},

	resizeImageContainer: function( imgWidth, imgHeight) {
		this.wCur = Element.getWidth('L360boxouterImageContainer');
		this.hCur = Element.getHeight('L360boxouterImageContainer');
		this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
		this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;
		// calculate size difference between new and old image, and resize if necessary
		wDiff = (this.wCur - borderSize * 2) - imgWidth;
		hDiff = (this.hCur - borderSize * 2) - imgHeight;
		if(!( hDiff == 0)){ new Effect.Scale('L360boxouterImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
		if(!( wDiff == 0)){ new Effect.Scale('L360boxouterImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }
		// if new and old image are same size and no scaling transition is necessary, 
		// do a quick pause to prevent image flicker.
		if((hDiff == 0) && (wDiff == 0)){
			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
		}
		Element.setWidth('L360boximageDataContainer', imgWidth + (borderSize * 2));
		//Element.setHeight('imageDataContainer','0');
		//Element.setTop('imageDataContainer','0');
		this.showImage();
	},
	
	showImage: function(){
		new Effect.Appear('L360boxImage', { duration: 0.5, queue: 'end', afterFinish: function(){	myL360box.updateDetails(); } });
	},

	updateDetails: function() {
		Element.show('L360boxcaption');
		Element.setInnerHTML( 'L360boxcaption', PanCaption);
		if (document.applets && document.applets.pan360 && document.applets.pan360.isActive()) {
			alert('done');
}
		Element.setInnerHTML( 'L360boxImage', '<APPLET name="pan360" archive="360/PurePlayer_DesignPath_Player.jar" code="PurePlayerPro" width="640" height="300"><param name="panorama" value="360/'+PanID+'.ivp" /><param name="gui" value="360/gui.ivu" /><param name="antialiasing" value="everytime" /></APPLET>');
		Element.show('L360boxImage');

		new Effect.Parallel(
			[ new Effect.SlideDown( 'L360boximageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
			  new Effect.Appear('L360boximageDataContainer', { sync: true, duration: 1.0 }) ], 
			{ duration: 0.65 } 
		);
		myL360box.enableKeyboardNav();
	},

	enableKeyboardNav: function() {
		document.onkeydown = this.keyboardAction; 
	},

	disableKeyboardNav: function() {
		document.onkeydown = '';
	},

	keyboardAction: function(e) {
		if (e == null) { // ie
			keycode = event.keyCode;
		} else { // mozilla
			keycode = e.which;
		}

		key = String.fromCharCode(keycode).toLowerCase();
		
		if((key == 'x') || (key == 'o') || (key == 'c') || (key == 'e')|| (key == 'q')){	// close L360box
			myL360box.end();
		} 
	},

	end: function() {
		this.disableKeyboardNav();
		Element.setInnerHTML( 'L360boxImage', '');
		Element.hide('L360box');
		//alert ('here');
		
		//alert('there');
		new Effect.Fade('L360boxoverlay', { duration: 0.2});
		showSelectBoxes();
	}
}

function getPageScroll(){
	var yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}
	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}

function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
	selects = document.getElementsByTagName("object");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
}

function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
	selects = document.getElementsByTagName("object");
	for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "hidden";
	}
}

function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

myL360box = new L360box();