/*--------------------------------------------------------------------------*/
/*	Lightbox	
*	This is a script for creating modal dialog windows (like the ones your operating system uses)
*/
var isCenterNormal = false;
var Lightbox = {
	/* hideAll - closes all open lightbox windows */
	hideAll: function(){
		lboxes = document.getElementsByClassName('lbox')
		lboxes.each(function(box){
				Element.hide(box)
			}
		)
		if ($('overlay')){
			Element.remove('overlay');
			}
	}
}
Lightbox.base = Class.create();
Lightbox.base.prototype = {

    initialize: function (element, options) {
        //start by hiding all lightboxes
        Lightbox.hideAll();

        this.element = $(element);
        this.options = Object.extend({
            lightboxClassName: 'lightbox',
            closeOnOverlayClick: false,
            externalControl: false
        }, options || {})

        //create the overlay
        new Insertion.Before(this.element, "<div id='overlay' style='display:none;'></div>");

        Element.addClassName(this.element, this.options.lightboxClassName)

        //also add a default lbox class to the lightbox div so we can find and close all lightboxes if we need to
        Element.addClassName(this.element, 'lbox')

        //Tip: make sure the path to the close.gif image below is correct for your setup
        //closer = '<img id="close" src="../images/icon_mFiles_close.gif" alt="Close" title="Close this window" />'

        //insert the closer image into the div
        //new Insertion.Top(this.element, closer);

        //Event.observe($('close'), 'click', this.hideBox.bindAsEventListener(this) );
        StrechWebPage();
        setLightBoxHeightWidth();
        if (this.options.closeOnOverlayClick) {
            Event.observe($('overlay'), 'click', this.hideBox.bindAsEventListener(this));
        }
        if (this.options.externalControl) {
            Event.observe($(this.options.externalControl), 'click', this.hideBox.bindAsEventListener(this));
        }

        this.showBox();
    },

    showBox: function () {
        //show the overlay
        Element.show('overlay');

        //center the lightbox
        this.center();

        //show the lightbox
        Element.show(this.element);
        return false;
    },

    hideBox: function (evt) {
        Element.removeClassName(this.element, this.options.lightboxClassName)
        Element.hide(this.element);
        //remove the overlay element from the DOM completely
        Element.remove('overlay');
        return false;
    },

    center: function () {
        var my_width = 0;
        var my_height = 0;

        if (typeof (window.innerWidth) == 'number') {
            my_width = window.innerWidth;
            my_height = window.innerHeight;
        } else if (document.documentElement &&
				 (document.documentElement.clientWidth ||
				   document.documentElement.clientHeight)) {
            my_width = document.documentElement.clientWidth;
            my_height = document.documentElement.clientHeight;
        }
        else if (document.body &&
				(document.body.clientWidth || document.body.clientHeight)) {
            my_width = document.body.clientWidth;
            my_height = document.body.clientHeight;
        }
        this.element.style.position = 'absolute';
        this.element.style.zIndex =201;

        var scrollY = 0;

        if (document.documentElement && document.documentElement.scrollTop) {
            scrollY = document.documentElement.scrollTop;
        } else if (document.body && document.body.scrollTop) {
            scrollY = document.body.scrollTop;
        } else if (window.pageYOffset) {
            scrollY = window.pageYOffset;
        } else if (window.scrollY) {
            scrollY = window.scrollY;
        }

        var elementDimensions = Element.getDimensions(this.element);

        var setX = (my_width - elementDimensions.width) / 2;
        var setY = (my_height - elementDimensions.height) / 2 + scrollY;
        
        setX = (setX < 0) ? 0 : setX;
        setY = (setY < 0) ? 0 : setY;
        if (isCenterNormal == false) { // center easy share in profile
            setY = (setY - 100 < 0) ? setY : setY - 100;
        }
        else {
            isCenterNormal = false; //reset center
        }
        //alert(setY);
        // process center easy share
        // var isFirefoxBrowser = navigator.userAgent.indexOf("Firefox/") != -1;
        // var isOperaBrower = navigator.userAgent.indexOf("Opera") != -1;
        var isIEBrowser = navigator.appName.indexOf("Microsoft") != -1;
        var disScroll = 0;

        if (typeof (irun) != 'undefined') {
            if (isIEBrowser) {
//                disScroll = 8;
//                setX = setX + disScroll;

            }
        }

        this.element.style.left = setX + "px";
        this.element.style.top = setY + "px";

    }


}

var my_width  = 0;
var my_height = 0;
    
function StrechWebPage()
{
	if ( typeof( window.innerWidth ) == 'number' )
	{
		my_width  = window.innerWidth;
		my_height = window.innerHeight;
	}
	else if ( document.documentElement && ( document.documentElement.clientWidth ||document.documentElement.clientHeight ) )
	{
		my_width  = document.documentElement.clientWidth;
		my_height = document.documentElement.clientHeight;
	}
	else if ( document.body && ( document.body.clientWidth || document.body.clientHeight ) )
	{
		my_width  = document.body.clientWidth;
		my_height = document.body.clientHeight;
	}
	var scrollY = 0;
	
	if ( document.documentElement && document.documentElement.scrollTop )
	{
		scrollY = document.documentElement.scrollTop;
	}
	else if ( document.body && document.body.scrollTop )
	{
		scrollY = document.body.scrollTop;
	}
	else if ( window.pageYOffset )
	{
		scrollY = window.pageYOffset;
	}
	else if ( window.scrollY )
	{
		scrollY = window.scrollY;
	}
}

function setLightBoxHeightWidth()
{
    if(document.getElementById("overlay"))
    {
        var currentTopOffset=0;
        var currentLeftOffset=0;
        try
        {
            currentTopOffset= document.documentElement.scrollTop || document.body.scrollTop; // body for Safari
            currentLeftOffset= document.documentElement.scrollLeft || document.body.scrollLeft; // body for Safari
        }
        catch(err)
        {
        }
        document.getElementById("overlay").style.height=(parseInt(my_height)+parseInt(currentTopOffset))+"px";
        document.getElementById("overlay").style.width=(parseInt(my_width)+parseInt(currentLeftOffset))+"px";
    }
}

function GotoAddBuddy() {
    window.location.href = "../BuddyList/AddBuddy.aspx";
}

function resize_iframe() {

    if (navigator.userAgent.indexOf("Safari") != -1) {
        document.getElementById("MyIFrame").style.height = document.getElementById('MyIFrame').contentWindow.document.body.offsetHeight + "px";
        //document.getElementById("MyIFrame").style.width = document.getElementById('MyIFrame').contentWindow.document.body.offsetWidth + "px";
       
    }
    else // Explorer Mac;
    //would also work in Explorer 6 Strict, Mozilla and Safari
    {
        document.getElementById("MyIFrame").style.height = document.getElementById('MyIFrame').contentWindow.document.body.scrollHeight + "px";
      //  document.getElementById("MyIFrame").style.width = document.getElementById('MyIFrame').contentWindow.document.body.scrollWidth + "px";
       
    }
}