var Shadowbox = {};
Shadowbox.lib = function()
{
	var styleCache = {};
	var camelRe = /(-[a-z])/gi;
	var camelFn = function(m,a)
	{
		return a.charAt(1).toUpperCase();
	};
	var toCamel = function(style)
	{
		var camel;
		if ( ! (camel=styleCache[style]) )
		{
			camel = styleCache[style] = style.replace(camelRe,camelFn);
		}
		return camel;
	};
	
	var view = document.defaultView;
	var alphaRe = /alpha\([^\)]*\)/gi;
	var setOpacity = function(el,opacity)
	{
		var s = el.style;
		if ( window.ActiveXObject )
		{
			s.zoom = 1;
			s.filter = (s.filter||'').replace(alphaRe,'') + (opacity == 1 ? '' : ' alpha(opacity=' + (opacity*100) + ')');
		}
		else
		{
			s.opacity = opacity;
		}
	};
	return {
			adapter:'standalone',
			getStyle:function()
			{
				return view&&view.getComputedStyle?function (el,style)
													{
														var v,cs,camel;
														if (style == 'float')
															style='cssFloat';
														
														if ( v = el.style[style] )
															return v;
														
														if ( cs = view.getComputedStyle(el,'') )
														{
															return cs[toCamel(style)];
														}
														
														return null;
													}:
													function (el,style)
													{
														var v,cs,camel;
														if ( style == 'opacity' )
														{
															if ( typeof el.style.filter == 'string' )
															{
																var m = el.style.filter.match(/alpha\(opacity=(.+)\)/i);
																if ( m )
																{
																	var fv = parseFloat(m[1]);
																	if (!isNaN(fv))
																		return(fv?fv/100:0);
																}
															}
															return 1;
														}
														else if(style=='float')
														{
															style = 'styleFloat';
														}
														var camel = toCamel(style);
														if ( v = el.style[camel] )
															return v;
														
														if ( cs = el.currentStyle )
															return cs[camel];
														
														return null;
													};
			}(),
			setStyle:function(el,style,value)
					{
						if ( typeof style == 'string' )
						{
							var camel = toCamel(style);
							if ( camel == 'opacity' )
							{
								setOpacity(el, value);
							}
							else
							{
								el.style[camel] = value;
							}
						}
						else
						{
							for (var s in style)
							{
								this.setStyle(el,s,style[s]);
							}
						}
					},
			get:function(el)
				{
					return typeof el == 'string'?document.getElementById(el):el;
				},
			remove:function(el)
					{
						el.parentNode.removeChild(el);
					},
			getTarget:function(e)
					{
						var t=e.target?e.target:e.srcElement;
						return t.nodeType == 3 ? t.parentNode : t;
					},
			getPageXY:function(e)
					{
						var x=e.pageX||(e.clientX+
(document.documentElement.scrollLeft||document.body.scrollLeft));
						var y=e.pageY||(e.clientY+
(document.documentElement.scrollTop||document.body.scrollTop));
						return[x,y];
					},
			preventDefault:function(e)
							{
								if ( e.preventDefault )
								{
									e.preventDefault();
								}
								else
								{
									e.returnValue = false;
								}
							},
			keyCode:function(e)
					{
						return e.which?e.which:e.keyCode;
					},
			addEvent:function(el,name,handler)
					{
						if(el.addEventListener)
						{
							el.addEventListener(name,handler,false);
						}
						else if(el.attachEvent)
						{
							el.attachEvent('on'+name,handler);
						}
					},
			removeEvent:function(el,name,handler)
						{
							if (el.removeEventListener)
							{
								el.removeEventListener(name,handler,false);
							}
							else if(el.detachEvent)
							{
								el.detachEvent('on'+name,handler);
							}
						},
			append:function(el,html)
					{
						if(el.insertAdjacentHTML)
						{
							el.insertAdjacentHTML('BeforeEnd',html);
						}
						else if(el.lastChild)
						{
							var range=el.ownerDocument.createRange();
							range.setStartAfter(el.lastChild);
							var frag=range.createContextualFragment(html);
							el.appendChild(frag);
						}
						else
						{
							el.innerHTML=html;
						}
					}
		};
}();