var ddsitelogo = {
    setting: { orientation: 4, visibleduration: 0, fadeduration: [1000, 500] }, //orientation=1|2|3|4, duration=millisec or 0, fadedurations=millisecs
    offsets: { x: 10, y: 10 }, //offset of logo relative to window corner
    logoHTML: '<a href="#TOP" title="Top Of Page"><img src="http://recipes.goldenstarcakes.com/LookFeel/arrow_up.png" style="width:40px; height:44px; border:0" /></a>', //Image for button

    coord: {},

    keepfixed: function() {
        if (!this.cssfixedsupport) {
            var $window = jQuery(window)
            var is1or3 = /^[13]$/.test(this.setting.orientation)
            var is1or2 = /^[12]$/.test(this.setting.orientation)
            var x = $window.scrollLeft() + (is1or3 ? this.offsets.x : $window.width() - this.$control.width() - this.offsets.x)
            var y = $window.scrollTop() + (is1or2 ? this.offsets.y : $window.height() - this.$control.height() - this.offsets.y)
            this.$control.css({ left: x + 'px', top: y + 'px' })
        }
    },

    showlogo: function() {
        var mainobj = ddsitelogo
        this.$control.animate({ opacity: 1 }, this.setting.fadeduration[0])
        if (this.setting.visibleduration > 0) {
            setTimeout(function() {
                mainobj.$control.stop().animate({ opacity: 0 }, mainobj.setting.fadeduration[1], function() {
                    jQuery(window).unbind('scroll.fixed resize.fixed')
                })
            }, this.setting.visibleduration + this.setting.fadeduration[0])
        }
    },

    init: function() {
        jQuery(document).ready(function($) {
            var mainobj = ddsitelogo
            var iebrws = document.all
            mainobj.cssfixedsupport = !iebrws || iebrws && document.compatMode == "CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
            if (mainobj.cssfixedsupport) {
                mainobj.coord[(/^[13]$/.test(mainobj.setting.orientation)) ? 'left' : 'right'] = mainobj.offsets.x
                mainobj.coord[(/^[12]$/.test(mainobj.setting.orientation)) ? 'top' : 'bottom'] = mainobj.offsets.y
            }
            mainobj.$control = $('<div id="mysitelogo">' + mainobj.logoHTML + '</div>')
				.css({ position: mainobj.cssfixedsupport ? 'fixed' : 'absolute', opacity: 0 })
				.css(mainobj.coord)
				.appendTo('body')
            if (document.all && !window.XMLHttpRequest && mainobj.$control.text() != '') //loose check for IE6 and below, plus whether control contains any text
                mainobj.$control.css({ width: mainobj.$control.width() }) //IE6- seems to require an explicit width on a DIV containing text
            mainobj.keepfixed()
            mainobj.showlogo()
            $(window).bind('scroll.fixed resize.fixed', function() { mainobj.keepfixed() })
        })
    }
}

ddsitelogo.init()