$(document).ready(function(){
$("#loading").show();
$("#main_body").hide();
	$.ajax({
	  type: "GET",
	  url: "welcome.php",
	  dataType: "html",
	  error: function(err){
	  $("#loading").fadeOut("fast");
	  $("#main_body").append("<B>Error</B><BR>Unfortunately an error has occured whilst processing the request.<BR><BR>Please try again.<BR><BR>" + err);
	  },
	  success: function(data){
	  $("#loading").fadeOut("fast");
	  $("#main_body").append(data);
	  $("#main_body").fadeIn("fast");
	  }
	});
});

function show(p){
$("#loading").show();
$("#main_body").empty();
	$.ajax({
	  type: "GET",
	  url: p+".php",
	  dataType: "html",
	  error: function(err){
	  $("#loading").fadeOut("fast");
	  $("#main_body").append("<B>Error</B><BR>Unfortunately an error has occured whilst processing the request.<BR><BR>Please try again.<BR><BR>" + err);
	  },
	  success: function(data){
	  $("#loading").fadeOut("fast");
	  $("#main_body").append(data);
	  $("#main_body").fadeIn("fast");
	  }
	});
}