function cria_pop()
{
	var pop_up = document.createElement("div");
	pop_up.setAttribute("id","pop_up");
	var fade = document.createElement("div");
	fade.setAttribute("id","fade");	
	$("body").append(fade);
	var height = $(document).height();
	$("#fade").css(
				   {
					   "position":"absolute",
					   "top":"0",
					   "left":"0",
					   "background":"#000",
					   "width":"100%",
					   "z-index":"3",
					   "opacity":".30",
					   "filter":"alpha(opacity=30)",
					   "height":height
				   }
				  );
	$("body").append(pop_up);
	return "#pop_up";
}
function mostra_pop(id)
{
	var fade = document.createElement("div");
	fade.setAttribute("id","fade");
	$("body").append(fade);
}
function carrega_pop(pagina)
{
	$(cria_pop()).load(pagina);
	$("#pop_up").css(
					 {
						 "z-index":15,
						 "background-color":"#FFFFFF",
						 "left":"40%",
						 "position":"absolute",
						 "top":"40%",
						 "width":"245px"
					 }
					); 
}

function destroi_pop()
{
	$("#pop_up,#fade").remove();
}