// JavaScript Document
	//zoom odo produto
$(function(){
	$("body").ready(function() { 
	showZoom();
	})
});
						
						function showZoom() {
							
							//carrega layer
							
								
								if (!$("#bg_sombra_natal").is(':visible')) {
									//mostra zoom
									$("#bg_sombra_natal").show();
									$("#bg_sombra_natal").fadeTo(0, 0);
									$("#bg_sombra_natal").fadeTo("fast", 1, function () {});
									$("#banner_natal").fadeIn("fast");
									
									//posiciona
									adaptaDimensoesLayer();
									$(window).bind("scroll", adaptaDimensoesLayer);
									$(window).bind("resize", adaptaDimensoesLayer);
									
									//fechar
									$("#bg_sombra_natal").click(function() {
										$("#bg_sombra_natal").hide();
										$("#banner_natal").hide();
										$(window).unbind("scroll", adaptaDimensoesLayer);
										$(window).unbind("resize", adaptaDimensoesLayer);
										return false;
									});
								}
							//cancela #
							return false;
						}
						
						function adaptaDimensoesLayer() {
							/*
							* adapta background e centraliza conteúdo do layer
							*/
							var scrTop = $(document).scrollTop();
							
							//layer conteudo
							var top = ($(window).height() - $("#banner_natal").height()) * .5;
							var left = ($(window).width() - $("#banner_natal").width()) * .5;
							top += scrTop;
							$("#banner_natal").css("top", top+"px");
							$("#banner_natal").css("left", left+"px");
							//layer bg
							var wHtml = $("body").width();
							$("#bg_sombra_natal").css("width", wHtml+"px");
							var hHtml = $("body").height();
						//	$("#bg_sombra_natal").css("height", hHtml+"px");
						}