/**
 *
 * Utilities
 * Author: Stefan Petre www.eyecon.ro
 * 
 */
(function($) {
EYE.extend({
        getPosition : function(e, forceIt)
        {
                var x = 0;
                var y = 0;
                var es = e.style;
                var restoreStyles = false;
                if (forceIt && jQuery.curCSS(e,'display') == 'none') {
                        var oldVisibility = es.visibility;
                        var oldPosition = es.position;
                        restoreStyles = true;
                        es.visibility = 'hidden';
                        es.display = 'block';
                        es.position = 'absolute';
                }
                var el = e;
                if (el.getBoundingClientRect) { // IE
                        var box = el.getBoundingClientRect();
                        x = box.left + Math.max(document.documentElement.scrollLeft, document.body.scrollLeft) - 2;
                        y = box.top + Math.max(document.documentElement.scrollTop, document.body.scrollTop) - 2;
                } else {
                        x = el.offsetLeft;
                        y = el.offsetTop;
                        el = el.offsetParent;
                        if (e != el) {
                                while (el) {
                                        x += el.offsetLeft;
                                        y += el.offsetTop;
                                        el = el.offsetParent;
                                }
                        }
                        if (jQuery.browser.safari && jQuery.curCSS(e, 'position') == 'absolute' ) {
                                x -= document.body.offsetLeft;
                                y -= document.body.offsetTop;
                        }
                        el = e.parentNode;
                        while (el && el.tagName.toUpperCase() != 'BODY' && el.tagName.toUpperCase() != 'HTML') 
                        {
                                if (jQuery.curCSS(el, 'display') != 'inline') {
                                        x -= el.scrollLeft;
                                        y -= el.scrollTop;
                                }
                                el = el.parentNode;
                        }
                }
                if (restoreStyles == true) {
                        es.display = 'none';
                        es.position = oldPosition;
                        es.visibility = oldVisibility;
                }
                return {x:x, y:y};
        },
        getSize : function(e)
        {
                var w = parseInt(jQuery.curCSS(e,'width'), 10);
                var h = parseInt(jQuery.curCSS(e,'height'), 10);
                var wb = 0;
                var hb = 0;
                if (jQuery.curCSS(e, 'display') != 'none') {
                        wb = e.offsetWidth;
                        hb = e.offsetHeight;
                } else {
                        var es = e.style;
                        var oldVisibility = es.visibility;
                        var oldPosition = es.position;
                        es.visibility = 'hidden';
                        es.display = 'block';
                        es.position = 'absolute';
                        wb = e.offsetWidth;
                        hb = e.offsetHeight;
                        es.display = 'none';
                        es.position = oldPosition;
                        es.visibility = oldVisibility;
                }
                return {w:w, h:h, wb:wb, hb:hb};
        },
        getClient : function(e)
        {
                var h, w;
                if (e) {
                        w = e.clientWidth;
                        h = e.clientHeight;
                } else {
                        var de = document.documentElement;
                        w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
                        h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
                }
                return {w:w,h:h};
        },
        getScroll : function (e)
        {
                var t=0, l=0, w=0, h=0, iw=0, ih=0;
                if (e && e.nodeName.toLowerCase() != 'body') {
                        t = e.scrollTop;
                        l = e.scrollLeft;
                        w = e.scrollWidth;
                        h = e.scrollHeight;
                } else  {
                        if (document.documentElement) {
                                t = document.documentElement.scrollTop;
                                l = document.documentElement.scrollLeft;
                                w = document.documentElement.scrollWidth;
                                h = document.documentElement.scrollHeight;
                        } else if (document.body) {
                                t = document.body.scrollTop;
                                l = document.body.scrollLeft;
                                w = document.body.scrollWidth;
                                h = document.body.scrollHeight;
                        }
                        if (typeof pageYOffset != 'undefined') {
                                t = pageYOffset;
                                l = pageXOffset;
                        }
                        iw = self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth||0;
                        ih = self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight||0;
                }
                return { t: t, l: l, w: w, h: h, iw: iw, ih: ih };
        },
        getMargins : function(e, toInteger)
        {
                var t = jQuery.curCSS(e,'marginTop') || '';
                var r = jQuery.curCSS(e,'marginRight') || '';
                var b = jQuery.curCSS(e,'marginBottom') || '';
                var l = jQuery.curCSS(e,'marginLeft') || '';
                if (toInteger)
                        return {
                                t: parseInt(t, 10)||0,
                                r: parseInt(r, 10)||0,
                                b: parseInt(b, 10)||0,
                                l: parseInt(l, 10)
                        };
                else
                        return {t: t, r: r,        b: b, l: l};
        },
        getPadding : function(e, toInteger)
        {
                var t = jQuery.curCSS(e,'paddingTop') || '';
                var r = jQuery.curCSS(e,'paddingRight') || '';
                var b = jQuery.curCSS(e,'paddingBottom') || '';
                var l = jQuery.curCSS(e,'paddingLeft') || '';
                if (toInteger)
                        return {
                                t: parseInt(t, 10)||0,
                                r: parseInt(r, 10)||0,
                                b: parseInt(b, 10)||0,
                                l: parseInt(l, 10)
                        };
                else
                        return {t: t, r: r,        b: b, l: l};
        },
        getBorder : function(e, toInteger)
        {
                var t = jQuery.curCSS(e,'borderTopWidth') || '';
                var r = jQuery.curCSS(e,'borderRightWidth') || '';
                var b = jQuery.curCSS(e,'borderBottomWidth') || '';
                var l = jQuery.curCSS(e,'borderLeftWidth') || '';
                if (toInteger)
                        return {
                                t: parseInt(t, 10)||0,
                                r: parseInt(r, 10)||0,
                                b: parseInt(b, 10)||0,
                                l: parseInt(l, 10)||0
                        };
                else
                        return {t: t, r: r,        b: b, l: l};
        },
        traverseDOM : function(nodeEl, func)
        {
                func(nodeEl);
                nodeEl = nodeEl.firstChild;
                while(nodeEl){
                        EYE.traverseDOM(nodeEl, func);
                        nodeEl = nodeEl.nextSibling;
                }
        },
        getInnerWidth :  function(el, scroll) {
                var offsetW = el.offsetWidth;
                return scroll ? Math.max(el.scrollWidth,offsetW) - offsetW + el.clientWidth:el.clientWidth;
        },
        getInnerHeight : function(el, scroll) {
                var offsetH = el.offsetHeight;
                return scroll ? Math.max(el.scrollHeight,offsetH) - offsetH + el.clientHeight:el.clientHeight;
        },
        getExtraWidth : function(el) {
                if($.boxModel)
                        return (parseInt($.curCSS(el, 'paddingLeft'))||0)
                                + (parseInt($.curCSS(el, 'paddingRight'))||0)
                                + (parseInt($.curCSS(el, 'borderLeftWidth'))||0)
                                + (parseInt($.curCSS(el, 'borderRightWidth'))||0);
                return 0;
        },
        getExtraHeight : function(el) {
                if($.boxModel)
                        return (parseInt($.curCSS(el, 'paddingTop'))||0)
                                + (parseInt($.curCSS(el, 'paddingBottom'))||0)
                                + (parseInt($.curCSS(el, 'borderTopWidth'))||0)
                                + (parseInt($.curCSS(el, 'borderBottomWidth'))||0);
                return 0;
        },
        isChildOf: function(parentEl, el, container) {
                if (parentEl == el) {
                        return true;
                }
                if (!el || !el.nodeType || el.nodeType != 1) {
                        return false;
                }
                if (parentEl.contains && !$.browser.safari) {
                        return parentEl.contains(el);
                }
                if ( parentEl.compareDocumentPosition ) {
                        return !!(parentEl.compareDocumentPosition(el) & 16);
                }
                var prEl = el.parentNode;
                while(prEl && prEl != container) {
                        if (prEl == parentEl)
                                return true;
                        prEl = prEl.parentNode;
                }
                return false;
        },
        centerEl : function(el, axis)
        {
                var clientScroll = EYE.getScroll();
                var size = EYE.getSize(el);
                if (!axis || axis == 'vertically')
                        $(el).css(
                                {
                                        top: clientScroll.t + ((Math.min(clientScroll.h,clientScroll.ih) - size.hb)/2) + 'px'
                                }
                        );
                if (!axis || axis == 'horizontally')
                        $(el).css(
                                {
                                        left: clientScroll.l + ((Math.min(clientScroll.w,clientScroll.iw) - size.wb)/2) + 'px'
                                }
                        );
        }
});
if (!$.easing.easeout) {
        $.easing.easeout = function(p, n, firstNum, delta, duration) {
                return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
        };
}
        
})(jQuery);
