/*
 * jQuery Backstretch
 * Version 1.2.2
 * http://srobbin.com/jquery-plugins/jquery-backstretch/
 *
 * Add a dynamically-resized background image to the page
 *
 * Copyright (c) 2011 Scott Robbin (srobbin.com)
 * Dual licensed under the MIT and GPL licenses.
*/

/*
 Customized by Kyle to allow for IE6 support
*/
(function($){$.backstretch=function(src,options,callback){var defaultSettings={centeredX:true,centeredY:true,speed:0},container=$("#backstretch"),settings=container.data("settings")||defaultSettings,existingSettings=container.data('settings'),rootElement=("onorientationchange"in window)?$(document):$(window),imgRatio,bgImg,bgWidth,bgHeight,bgOffset,bgCSS;if(options&&typeof options=="object")$.extend(settings,options);$(document).ready(_init);return this;function _init(){if(src){var img;if(container.length==0){container=$("<div />").attr("id","backstretch");}else{container.find("img").addClass("deleteable");}
img=$("<img />").bind("load",function(e){var self=$(this),imgWidth,imgHeight;self.css({width:"auto",height:"auto"});imgWidth=this.width||$(e.target).width();imgHeight=this.height||$(e.target).height();imgRatio=imgWidth/imgHeight;_adjustBG(function(){self.fadeIn(settings.speed,function(){container.find('.deleteable').remove();if(typeof callback=="function")callback();});});}).appendTo(container);if($("body #backstretch").length==0){$("body").append(container);}
container.data("settings",settings);img.attr("src",src);$(window).resize(_adjustBG);}}
function _adjustBG(fn){try{bgCSS={left:0,top:0}
bgWidth=rootElement.width();bgHeight=bgWidth/imgRatio;if(bgHeight>=rootElement.height()){bgOffset=(bgHeight-rootElement.height())/2;if(settings.centeredY)$.extend(bgCSS,{top:"-"+bgOffset+"px"});}else{bgHeight=rootElement.height();bgWidth=bgHeight*imgRatio;bgOffset=(bgWidth-rootElement.width())/2;if(settings.centeredX)$.extend(bgCSS,{left:"-"+bgOffset+"px"});}
if($.browser.msie&&$.browser.version==6){$("#backstretch img:last").width(bgWidth).height(bgHeight).filter("img").css(bgCSS);}
else{$("#backstretch, #backstretch img:last").width(bgWidth).height(bgHeight).filter("img").css(bgCSS);}}catch(err){}
if(typeof fn=="function")fn();}};})(jQuery);