;(function($){var container=null;var allImgs='',allLIs='',containerStr='';var element=this;var _bgStretcherPause=false;var _bgStretcherTm=null;$.fn.bgStretcher=function(settings){settings=$.extend({},$.fn.bgStretcher.defaults,settings);$.fn.bgStretcher.settings=settings;function _build(){if(!settings.images.length){return;}
_genHtml();containerStr='#'+settings.imageContainer;container=$(containerStr);allImgs='#'+settings.imageContainer+' IMG';allLIs='#'+settings.imageContainer+' LI';$(allLIs).hide();$(allLIs+':first').show().addClass('bgs-current');if(!container.length){return;}
$(window).resize(_resize);if(settings.slideShow&&$(allImgs).length>1){_bgStretcherTm=setTimeout('$.fn.bgStretcher.slideShow()',settings.nextSlideDelay);}
_resize();};function _resize(){var winW=$(window).width();var winH=$(window).height();var imgW=0,imgH=0;container.width(winW);container.height(winH);if(!settings.resizeProportionally){imgW=winW;imgH=winH;}else{var initW=settings.imageWidth,initH=settings.imageHeight;var ratio=initH/initW;imgW=winW;imgH=winW*ratio;if(imgH<winH){imgH=winH;imgW=imgH/ratio;}}
if(!settings.resizeAnimate){$(allImgs).width(imgW).height(imgH);}else{$(allImgs).animate({width:imgW,height:imgH},'normal');}};function _genHtml(){var code='<div id="'+settings.imageContainer+'" class="bgstretcher"><ul>';for(i=0;i<settings.images.length;i++){code+='<li><img src="'+settings.images[i]+'" alt="" /></li>';}
code+='</ul></div>';$(code).appendTo('body');};_build();};$.fn.bgStretcher.play=function(){_bgStretcherPause=false;$.fn.bgStretcher._clearTimeout();$.fn.bgStretcher.slideShow();};$.fn.bgStretcher._clearTimeout=function(){if(_bgStretcherTm!=null){clearTimeout(_bgStretcherTm);_bgStretcherTm=null;}}
$.fn.bgStretcher.pause=function(){_bgStretcherPause=true;$.fn.bgStretcher._clearTimeout();};$.fn.bgStretcher.slideShow=function(){var current=$(containerStr+' LI.bgs-current');var next=current.next();if(!next.length){next=$(containerStr+' LI:first');}
$(containerStr+' LI').removeClass('bgs-current');next.addClass('bgs-current');next.fadeIn($.fn.bgStretcher.settings.slideShowSpeed);current.fadeOut($.fn.bgStretcher.settings.slideShowSpeed);if(!_bgStretcherPause){_bgStretcherTm=setTimeout('$.fn.bgStretcher.slideShow()',$.fn.bgStretcher.settings.nextSlideDelay);}};$.fn.bgStretcher.defaults={imageContainer:'bgstretcher',resizeProportionally:true,resizeAnimate:false,images:[],imageWidth:1800,imageHeight:1200,nextSlideDelay:5000,slideShowSpeed:'normal',slideShow:true};$.fn.bgStretcher.settings={};})(jQuery);