/******************************************************* jQuery plug-in* Easy Background Image Resizer* Developed by J.P. Given (http://johnpatrickgiven.com)* Useage: anyone so long as credit is left alone******************************************************/(function($) {var jqez = {};$.fn.ezBgResize = function(options) {jqez = options;if (!$.isArray(jqez.img)) {var tmp_img = jqez.img;jqez.img = [tmp_img]}$("<img/>").attr("src", jqez.img).load(function() {jqez.width = this.width;jqez.height = this.height;$("body").append('<div id="jq_ez_bg"></div>');$("#jq_ez_bg").html('<img src="' + jqez.img[0] + '" width="' + jqez.width + '" height="' + jqez.height + '" border="0">');$("#jq_ez_bg").css("visibility","hidden");$("body").css({"overflow":"hidden"});resizeImage();});};$(window).bind("resize", function() {resizeImage();});function resizeImage() {$("#jq_ez_bg").css({"position":"fixed","top":"0px","left":"0px","z-index":"-1","overflow":"hidden","width":$(window).width() + "px","height":$(window).height() + "px","opacity" : jqez.opacity});$("#jq_ez_bg").children('img').css("position", "relative");var iw = $("#jq_ez_bg").children('img').width();var ih = $("#jq_ez_bg").children('img').height();if ($(window).width() > $(window).height()) {if (iw > ih) {var fRatio = iw/ih;$("#jq_ez_bg").children('img').css("width",$(window).width() + "px");$("#jq_ez_bg").children('img').css("height",Math.round($(window).width() * (1/fRatio)));var newIh = Math.round($(window).width() * (1/fRatio));if(newIh < $(window).height()) {var fRatio = ih/iw;$("#jq_ez_bg").children('img').css("height",$(window).height());$("#jq_ez_bg").children('img').css("width",Math.round($(window).height() * (1/fRatio)));}} else {var fRatio = ih/iw;$("#jq_ez_bg").children('img').css("height",$(window).height());$("#jq_ez_bg").children('img').css("width",Math.round($(window).height() * (1/fRatio)));}} else {var fRatio = ih/iw;$("#jq_ez_bg").children('img').css("height",$(window).height());$("#jq_ez_bg").children('img').css("width",Math.round($(window).height() * (1/fRatio)));}if (typeof(jqez.center) == 'undefined' || jqez.center) {if ($("#jq_ez_bg").children('img').width() > $(window).width()) {var this_left = ($("#jq_ez_bg").children('img').width() - $(window).width()) / 2;$("#jq_ez_bg").children('img').css({"top"  : 0,"left" : -this_left});}if ($("#jq_ez_bg").children('img').height() > $(window).height()) {var this_height = ($("#jq_ez_bg").children('img').height() - $(window).height()) / 2;$("#jq_ez_bg").children('img').css({"left" : 0,"top" : -this_height});}}$("#jq_ez_bg").css({"visibility" : "visible"});}})(jQuery);
