var fan_page_url = 'http://www.facebook.com/pages/%D9%83%D8%AA%D8%A7%D8%A8%D9%8A-%D8%AF%D9%88%D8%AA-%D9%83%D9%88%D9%85/118529191552481'	// Give the absolute URL of the facebook fan page
var opacity = 0.4; // Set this to 0 when you want to make this completely invisible
var time = 200; // in milli seconds time after which the button will not be present on the site, if set to 0, the button will stay forever which is not usually preferred