//variables
var current_slide = 2;

function changeSlide() {
	if (current_slide==1) {
		$("#s1").fadeIn("slow",function() {
			$("#s2").show();	
			current_slide = 2;
		});
	}
	else {
		$("#s2").show();
		$("#s1").fadeOut("slow", function() {
			current_slide = 1;								  
		});
	}
}