// Gradientz 0.4
; (function($) {
    if ($.browser.msie && document.namespaces["v"] == null) { document.namespaces.add("v", "urn:schemas-microsoft-com:vml"); var ss = document.createStyleSheet().owningElement; ss.styleSheet.cssText = "v\\:rect{behavior:url(#default#VML);}"; var ss1 = document.createStyleSheet().owningElement; ss1.styleSheet.cssText = "v\\:fill{behavior:url(#default#VML);}"; }
    function vmlGradient(angle, colorStart, colorEnd, width, height, distance, css) { var html = '<v:rect class=gradientz_inserted style="position:absolute; margin-top: -1;  margin-left: -1; width:' + (width + 1) + "px;height:" + (height + 1) + 'px;' + css + '" stroked="false"  fillcolor="' + colorEnd + '" >'; html += '<v:fill method="sigma"  color2="' + colorStart + '" type="gradient" angle="' + angle + '">'; html += '</v:rect>'; return html; }
    function canvasGradient(angle, colorStart, colorEnd, width, height, distance, css) {
        var canvas = $("<canvas class=gradientz_inserted width=" + width + "px height=" + height + "px style='position:absolute; ; " + css + "'></canvas>"); var ctx = canvas[0].getContext('2d'); var flip = angle < 0
        angle = Math.abs(angle)
        var x = Math.sin(angle) * distance; var y = Math.cos(angle) * distance; var lingrad = flip ? ctx.createLinearGradient(-x, 0, 0, -y) : ctx.createLinearGradient(0, 0, x, y); lingrad.addColorStop(0, colorStart); lingrad.addColorStop(1, colorEnd); ctx.fillStyle = lingrad; ctx.fillRect(0, 0, width, height); return canvas;
    }
    function minAbs(x, y) {
        x = Math.abs(x)
        y = Math.abs(y)
        return x < y ? x : y
    }
    $.fn.gradientz = function(options) {
        var settings = { angle: 0, css: "left:0px; top:0px; " }; $.extend(settings, options || {}); var radianConvert = Math.PI / 180; return this.each(function() {
            var $$ = $(this); if (this.style.position != "absolute") { this.style.position = "relative"; this.style.zoom = 1; }
            var w = $$.innerWidth(); var h = $$.innerHeight(); settings.start = settings.start || $$.css("backgroundColor")
            settings.end = settings.end || $$.css("backgroundColor")
            var radians = settings.angle * radianConvert; var cos = Math.cos(radians)
            var sin = Math.sin(radians)
            var d = settings.distance || minAbs(h / cos, w / sin)
            w = minAbs(d / sin, w)
            h = minAbs(d / cos, h)
            $$.wrapInner("<div class=inner_gradient style='position: absolute; left: 0px; top: 0px;' ></div>")
            if ($.browser.msie) { var h = vmlGradient(settings.angle, settings.start, settings.end, w, h, d, settings.css); this.innerHTML = h + this.innerHTML; $(this).css({ overflow: "hidden" }) }
            else
                $$.prepend(canvasGradient(radians, settings.start, settings.end, w, h, d, settings.css));
        })
    } 
})(jQuery);