/*
* jQuery Floating Layer Plugin 1.0
*
* http://renjin.blogspot.com/2009/07/jquery-floating-layer-plugin.html
* Author: renjin
* Date: 2009-7-19
*
* Dual licensed under the MIT and GPL licenses:
*  http://www.opensource.org/licenses/mit-license.php
*  http://www.gnu.org/licenses/gpl.html
*/
;(function($){$.floatLayer={defaults:{position:{x:'left',y:'center'},duration:500,easing:'swing',fixed:false}};$.extend($.support,{positionFixed:false});$(document).ready(function(){var element=$('<div></div>').css({'position':'fixed','left':'0px','top':'0px'}).attr('id','_divFixedPosition').hide().appendTo('body')[0];$.support.positionFixed=element.offsetLeft==null||isNaN(element.offsetLeft)||element.offsetLeft!=0?false:true;$(element).remove();});$.fn.extend({makeFloating:function(options){return this.each(function(){options=$.extend({},$.floatLayer.defaults,options);settings(this,options);$(this).css('position',options.fixed&&$.support.positionFixed?'fixed':'absolute').show();this.isFloating=true;initialize.call(this);var me=this;$(window).resize(function(){initialize.call(me);}).scroll(function(){doFloat.call(me);});});},floatingPosition:function(position){return this.each(function(){if(this.isFloating===true){settings(this,$.extend({},settings(this),{position:position}));initialize.call(this);}});}});function initialize(){settings(this,$.extend({},settings(this),{target:computePosition(this)}));doFloat.call(this);}
function doFloat(){var position=settings(this).target;var view=viewport();var x=position.x+view.x,y=position.y+view.y;if(!settings(this).fixed){var duration=settings(this).duration;var easing=settings(this).easing;$(this).animate({left:x+'px',top:y+'px'},{duration:duration,queue:false,easing:easing});}else if(!$.support.positionFixed){$(this).css({left:x+'px',top:y+'px'});}else{$(this).css({left:position.x+'px',top:position.y+'px'});}}
function computePosition(element){var view=viewport();var x=settings(element).position.x,y=settings(element).position.y;var elementWidth=parseInt($(element).outerWidth(true)),elementHeight=parseInt($(element).outerHeight(true));if(/^right$/i.test(x)){x=view.x+view.width-elementWidth;}else if(/^center$/i.test(x)){x=view.x+(view.width-elementWidth)/2;}else if(/^left$/i.test(x)){x=0;}
if(/^top$/i.test(y)){y=0;}else if(/^center$/i.test(y)){y=view.y+(view.height-elementHeight)/2;}else if(/^bottom$/i.test(y)){y=view.y+view.height-elementHeight;}
return{x:isNaN(x)?0:x,y:isNaN(y)?0:y};}
function settings(element,value){return value===undefined?$.data(element,'settings'):$.data(element,'settings',value);}
function viewport(){return{x:$(document).scrollLeft(),y:$(document).scrollTop(),width:$(window).width(),height:$(window).height()};}})(jQuery);