/*
 * Floating Banner jQuery Plugin v1.0
 * http://code.google.com/p/floatingbanner/
 *
 * Copyright 2010, Funke Web Solutions
 * Released under the GPL Version 3 license.
 *
 * $Id: jquery.floatingbanner.js 4172 2010-04-05 05:57:21Z rob $
 */
(function($) {
    jQuery.fn.floatingbanner = function (options) {
		
        var settings = jQuery.extend({
            ie6: true
        }, options);
		
        var banners = new Array();
        this.each(function(){
            var placeholder = $('<div></div>').height($(this).outerHeight()).width($(this).outerWidth()).hide().insertBefore(this);
            var posTop = $(this).position().top;
            banners.push({
                'banner':this,
                'placeholder':placeholder,
                'posTop':posTop
            });
            var scrollTop = $(window).scrollTop();
            if(pastView(posTop, scrollTop))
                floatBanner(this, placeholder);
        });
	
        function floatBanner(element, placeholder){
            $(element).addClass('floating-banner');
            $(placeholder).show();
            if (!settings.ie6 && $.browser.msie && parseInt(jQuery.browser.version) == 6) {
                $(element).css({
                    'top': $(window).scrollTop(), 
                    'position': 'absolute'
                });
            }
        }
	
        function unFloatBanner(element, placeholder){
            $(element).removeClass('floating-banner');
            $(placeholder).hide();
            if (!settings.ie6 && $.browser.msie && parseInt(jQuery.browser.version) == 6) {
                $(element).css({
                    'position': 'static'
                });
            }
        }
	
        function pastView(posTop, scrollTop){
            if (scrollTop < posTop)
                return false;
            return true;
        };
	
        $(window).scroll(function(){
            var scrollTop = $(window).scrollTop();
            $(banners).each(function(){
                if(pastView(this.posTop, scrollTop))
                    floatBanner($(this.banner), $(this.placeholder));
                else
                    unFloatBanner($(this.banner), $(this.placeholder));
            });
        });
      
    };
})(jQuery);