function server() {	
	var direction = "up";
	
	$.ajax({
	type: "post",
	url: "sswitch.php",
	data: "direction=" + escape(direction),
	success: function(phpData){    
		document.getElementById('sc_server').innerHTML = phpData;  
		document.getElementById('sc_server').style.display = "block";      
		}           
	});
}