var sitefunctions = {
    textresize: function() {
        var $cookie_name = "lumiganpatient";
        var originalFontSize = $("body").css("font-size");
        // if exists load saved value, otherwise store it
        if ($.cookies.get($cookie_name)) {
            var $getSize = $.cookies.get($cookie_name);
            $("body").css({ fontSize: $getSize + ($getSize.indexOf("px") != -1 ? "" : "px") }); // IE fix for double "pxpx" error
        } else {
            $.cookies.set($cookie_name, originalFontSize);
        }
        // text "+" link
        $(".changeFont").bind("click", function() {
            var currentFontSize = $("body").css("font-size");
            var currentFontSizeNum = parseFloat(currentFontSize);
            var newFontSize;
            if (currentFontSizeNum >= 19) {
                newFontSize = 16;
            }
            else {
                newFontSize = currentFontSizeNum * 1.1;
            }
            $("body").css("font-size", newFontSize + "px");
            $.cookies.set($cookie_name, newFontSize);
            return false;
        });
    }
};