/**
 *
 * 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);