Resize jQuery UI dialog to window size if init dialog size is larger then window size.

jQuery UI max size

(function ($) {
    var _init = $.ui.dialog.prototype._init;

    //Custom Dialog Init
    $.ui.dialog.prototype._init = function () {
        var self = this;

        // set max size of dialog
        var offSet = 20;
        var wWidth =  $(window).width() - offSet;
        var wHeight =  $(window).height() - offSet;
        if(self.options.height > wHeight ){
            self.options.height = wHeight ;
            self.options.maxHeight = wHeight ;
        };
        if(self.options.width >= wWidth){
            self.options.width = wWidth ;
            self.options.maxWidth = wWidth ;
        };
        
        _init.apply(this, arguments);

    };
})(jQuery);