jQuery.fn.slideFadeToggle  = function(speed, easing, callback) {
       return this.animate({opacity: 'toggle', height: 'toggle'}, speed,
easing, callback);
}

function pageIntro() {

$(".container div").css("opacity", "0");
		$(".container div[class=content_pic]").animate({opacity: 1}, 1000, 				function() {
					$(".container div").animate({opacity: 1}, 500);	
		});
		
};