/**
 * Interface Elements for jQuery
 * utility function
 *
 * http://interface.eyecon.ro
 *
 * Copyright (c) 2006 Stefan Petre
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 *
 */

jQuery.iUtil = {
  getPos : function (e, s)
  {
    var l = 0;
    var t  = 0;
    var sl = 0;
    var st  = 0;
    var w = jQuery.css(e,'width');
    var h = jQuery.css(e,'height');
    var wb = e.offsetWidth;
    var hb = e.offsetHeight;
    while (e.offsetParent){
      l += e.offsetLeft + (e.currentStyle?parseInt(e.currentStyle.borderLeftWidth)||0:0);
      t += e.offsetTop  + (e.currentStyle?parseInt(e.currentStyle.borderTopWidth)||0:0);
      if (s) {
        sl += e.parentNode.scrollLeft||0;
        st += e.parentNode.scrollTop||0;
      }
      e = e.offsetParent;
    }
    l += e.offsetLeft + (e.currentStyle?parseInt(e.currentStyle.borderLeftWidth)||0:0);
    t += e.offsetTop  + (e.currentStyle?parseInt(e.currentStyle.borderTopWidth)||0:0);
    st = t - st;
    sl = l - sl;
    return {x:l, y:t, sx:sl, sy:st, w:w, h:h, wb:wb, hb:hb};
  },
  getPosition : function(e)
  {
    var x = 0;
    var y = 0;
    var restoreStyle = false;
    es = e.style;
    if (jQuery(e).css('display') == 'none') {
      oldVisibility = es.visibility;
      oldPosition = es.position;
      es.visibility = 'hidden';
      es.display = 'block';
      es.position = 'absolute';
      restoreStyle = true;
    }
    el = e;
    while (el){
      x += el.offsetLeft + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderLeftWidth)||0:0);
      y += el.offsetTop + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderTopWidth)||0:0);
      el = el.offsetParent;
    }
    el = e;
    while (el && el.tagName.toLowerCase() != 'body')
    {
      x -= el.scrollLeft||0;
      y -= el.scrollTop||0;
      el = el.parentNode;
    }
    if (restoreStyle) {
      es.display = 'none';
      es.position = oldPosition;
      es.visibility = oldVisibility;
    }
    return {x:x, y:y};
  },
  getSize : function(e)
  {
    var w = jQuery.css(e,'width');
    var h = jQuery.css(e,'height');
    var wb = 0;
    var hb = 0;
    es = e.style;
    if (jQuery(e).css('display') != 'none') {
      wb = e.offsetWidth;
      hb = e.offsetHeight;
    } else {
      oldVisibility = es.visibility;
      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)
  {
	    if (e) {
	      w = e.clientWidth;
	      h = e.clientHeight;
	    } else {
	      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)
	  {
	    if (e) {
	      t = e.scrollTop;
	      l = e.scrollLeft;
	      w = e.scrollWidth;
	      h = e.scrollHeight;
	      iw = 0;
	      ih = 0;
	    } else  {
	      if (document.documentElement && document.documentElement.scrollTop) {
	        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;
	      }
	      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)
	  {
	    el = jQuery(e);
	    t = el.css('marginTop') || '';
	    r = el.css('marginRight') || '';
	    b = el.css('marginBottom') || '';
	    l = el.css('marginLeft') || '';
	    if (toInteger)
	      return {
	        t: parseInt(t)||0,
	        r: parseInt(r)||0,
	        b: parseInt(b)||0,
	        l: parseInt(l)
	      };
	    else
	      return {t: t, r: r,     b: b, l: l};
	  },
	  getPadding : function(e, toInteger)
	  {
	    el = jQuery(e);
	    t = el.css('paddingTop') || '';
	    r = el.css('paddingRight') || '';
	    b = el.css('paddingBottom') || '';
	    l = el.css('paddingLeft') || '';
	    if (toInteger)
	      return {
	        t: parseInt(t)||0,
	        r: parseInt(r)||0,
	        b: parseInt(b)||0,
	        l: parseInt(l)
	      };
	    else
	      return {t: t, r: r,     b: b, l: l};
	  },
	  getBorder : function(e, toInteger)
	  {
	    el = jQuery(e);
	    t = el.css('borderTopWidth') || '';
	    r = el.css('borderRightWidth') || '';
	    b = el.css('borderBottomWidth') || '';
	    l = el.css('borderLeftWidth') || '';
	    if (toInteger)
	      return {
	        t: parseInt(t)||0,
	        r: parseInt(r)||0,
	        b: parseInt(b)||0,
	        l: parseInt(l)||0
	      };
	    else
	      return {t: t, r: r,     b: b, l: l};
	  },
	  getPointer : function(event)
	  {
	    x = event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)) || 0;
	    y = event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)) || 0;
	    return {x:x, y:y};
	  },
	  traverseDOM : function(nodeEl, func)
	  {
	    func(nodeEl);
	    nodeEl = nodeEl.firstChild;
	    while(nodeEl){
	      jQuery.iUtil.traverseDOM(nodeEl, func);
	      nodeEl = nodelEl.nextSibling;
	    }
	  },
	  purgeEvents : function(nodeEl)
	  {
	    jQuery.iUtil.traverseDOM(
	      nodeEl,
	      function(el)
	      {
	        for(var attr in el){
	          if(typeof el[attr] === 'function') {
	            el[attr] = null;
	          }
	        }
	      }
	    );
	  }
	};
	
	// Helper function to support older browsers!
	[].indexOf || (Array.prototype.indexOf = function(v, n){
	  n = (n == null) ? 0 : n;
	  var m = this.length;
	  for (var i=n; i<m; i++)
	    if (this[i] == v)
	      return i;
	  return -1;
	});