var QueryLoader = {
	
	overlay: "",
	loadBar: "",
	preloader: "",
	items: new Array(),
	doneStatus: 0,
	doneNow: 0,
	selectorPreload: "body",
	ieLoadFixTime: 2000,
	ieTimeout: "",
		
	init: function() {
		if (navigator.userAgent.match(/MSIE (\d+(?:\.\d+)+(?:b\d*)?)/) == "MSIE 6.0,6.0") {
	
			return false;
		}
		if (QueryLoader.selectorPreload == "body") {
			QueryLoader.spawnLoader();
			QueryLoader.getImages(QueryLoader.selectorPreload);
			QueryLoader.createPreloading();
		} else {
			$(document).ready(function() {
				QueryLoader.spawnLoader();
				QueryLoader.getImages(QueryLoader.selectorPreload);
				QueryLoader.createPreloading();
			});
		}

		QueryLoader.ieTimeout = setTimeout("QueryLoader.ieLoadFix()", QueryLoader.ieLoadFixTime);
	},
	
	ieLoadFix: function() {
		var ie = navigator.userAgent.match(/MSIE (\d+(?:\.\d+)+(?:b\d*)?)/);
		if (ie[0].match("MSIE")) {
			while ((100 / QueryLoader.doneStatus) * QueryLoader.doneNow < 100) {
				QueryLoader.imgCallback();
			}
		}
	},
	
	imgCallback: function() {
		QueryLoader.doneNow ++;
		QueryLoader.animateLoader();
	},
	
	getImages: function(selector) {
		var everything = $(selector).find("*:not(script)").each(function() {
			var url = "";
			
			if ($(this).css("background-image") != "none") {
				var url = $(this).css("background-image");
			} else if (typeof($(this).attr("src")) != "undefined" && $(this).attr("tagName").toLowerCase() == "img") {
				var url = $(this).attr("src");
			}
			
			url = url.replace("url(\"", "");
			url = url.replace("url(", "");
			url = url.replace("\")", "");
			url = url.replace(")", "");
			
			if (url.length > 0) {
				QueryLoader.items.push(url);
			}
		});
	},
	
	createPreloading: function() {
		QueryLoader.preloader = $("<div></div>").appendTo(QueryLoader.selectorPreload);
		$(QueryLoader.preloader).css({
			height: 	"0px",
			width:		"0px",
			overflow:	"hidden"
		});
		
		var length = QueryLoader.items.length; 
		QueryLoader.doneStatus = length;
		
		for (var i = 0; i < length; i++) {
			var imgLoad = $("<img></img>");
			$(imgLoad).attr("src", QueryLoader.items[i]);
			$(imgLoad).unbind("load");
			$(imgLoad).bind("load", function() {
				QueryLoader.imgCallback();
			});
			$(imgLoad).appendTo($(QueryLoader.preloader));
		}
	},

	spawnLoader: function() {
		if (QueryLoader.selectorPreload == "body") {
			var height = $(window).height();
			var width = $(window).width();
			var position = "fixed";
		} else {
			var height = $(QueryLoader.selectorPreload).outerHeight();
			var width = $(QueryLoader.selectorPreload).outerWidth();
			var position = "absolute";
		}
		var left = $(QueryLoader.selectorPreload).offset()['left'];
		var top = $(QueryLoader.selectorPreload).offset()['top'];
		
		QueryLoader.overlay = $("<div></div>").appendTo($(QueryLoader.selectorPreload));
		$(QueryLoader.overlay).addClass("QOverlay");
		$(QueryLoader.overlay).css({
			position: position,
			top: top,
			left: left,
			width: width + "px",
			height: height + "px"
		});
		
		QueryLoader.loadBar = $("<div></div>").appendTo($(QueryLoader.overlay));
		$(QueryLoader.loadBar).addClass("QLoader");
		
		$(QueryLoader.loadBar).css({
			position: "relative",
			top: "50%",
			width: "0%"
		});
		
		QueryLoader.loadAmt = $("<div>0%</div>").appendTo($(QueryLoader.overlay));
		$(QueryLoader.loadAmt).addClass("QAmt");
		
		$(QueryLoader.loadAmt).css({
			position: "relative",
			top: "50%",
			left: "50%"
		});
	},
	
	animateLoader: function() {
		var perc = (100 / QueryLoader.doneStatus) * QueryLoader.doneNow;
		if (perc > 99) {
			$(QueryLoader.loadAmt).html("100%");
			$(QueryLoader.loadBar).stop().animate({
				width: perc + "%"
			}, 500, "linear", function() { 
				QueryLoader.doneLoad();
			});
		} else {
			$(QueryLoader.loadBar).stop().animate({
				width: perc + "%"
			}, 500, "linear", function() { });
			$(QueryLoader.loadAmt).html(Math.floor(perc)+"%");
		}
	},
	
	doneLoad: function() {

		clearTimeout(QueryLoader.ieTimeout);
		
		if (QueryLoader.selectorPreload == "body") {
			var height = $(window).height();
		} else {
			var height = $(QueryLoader.selectorPreload).outerHeight();
		}
		
		$(QueryLoader.loadAmt).hide();
		$(QueryLoader.loadBar).animate({
			height: height + "px",
			top: 0
		}, 500, "linear", function() {
			$(QueryLoader.overlay).fadeOut(800);
			$(QueryLoader.preloader).remove();
		});
	}
}

jQuery.fn.simpleSlide = function(a){

	a				= a || {};
	a.duration		= a.duration || 8000;
	a.transition	= a.transition || 2500;
	var	c	= jQuery(this);
	jQuery(c).css("position","relative");

	jQuery("img",jQuery(c))
		.css({
			'position'	: 'absolute',
			'top'		: '0px',
			'left'		: '0px',
			'z-index'	: '8'
			})
		.find(":first")
			.addClass("slide-active")
			.css('z-index','10');

	setInterval(function(){

			var $active = jQuery("img.slide-active",jQuery(c));

			if($active.length == 0) $active = jQuery("img:last",jQuery(c));

			var $next	= $active.next().length ? $active.next() : jQuery("img:first",jQuery(c));

			$active
				.addClass("slide-last-active")
				.css('z-index','9');

			$next
				.css({opacity: 0.0})
				.addClass("slide-active")
				.css('z-index','10')
				.animate({opacity: 1.0}, a.transition, function(){
					$active
						.removeClass('slide-active slide-last-active')
						.css('z-index','8');
				});
		}, a.duration);

}