function showRocketOverlay(url)
{
	if(!document.getElementById("#rocket_overlay")) {
		var overlay = document.createElement("div");
		var overlay_content = document.createElement("iframe");
		
		$(overlay).attr('id', "rocket_overlay");
		$(overlay_content).attr('id', "rocket_overlay_content");
		
		$(document.body).prepend(overlay_content);
		$(document.body).prepend(overlay);
	}
	
	var overlay = $("#rocket_overlay");
	//var overlay_content = $("#rocket_overlay_content");
	
	overlay.height($(document).height());
	overlay.width($(document).width());
	
	overlay_content.src = url;
	
	overlay.attr("frameborder", "0");
	overlay.css("display", "block");
	
	$(overlay_content).css("background", "#fff");
	$(overlay_content).height(600);
	$(overlay_content).width(800);
	$(overlay_content).css("left", ($(window).width() / 2) - ($(overlay_content).width() / 2));
	$(overlay_content).css("top", ($(window).height() / 2) - ($(overlay_content).height() / 2));
	$(overlay_content).css("display", "block");
}

function hideRocketOverlay()
{
	var overlay = $("#rocket_overlay");
	var overlay_content = $("#rocket_overlay_content");
	
	overlay.css("display", "none");
	overlay_content.css("display", "none");
}