//zoom 
			$(function() {
				var sufixoImgZoom = "_zoom";
				var heightDivs;
	   	
				$(document).ready(function(){
							//captura dados	

							
								if (!$(".bgOverlayZoom").is(':visible')) {																	
									//mostra zoom
									$(".bgOverlayZoom").show();
									$(".bgOverlayZoom").fadeTo(0, 0);
									$(".bgOverlayZoom").fadeTo("fast", 0.7, function () {});
									$(".contentZoom").fadeIn("fast");
									
													


										adaptaDimensoesLayer();
										$(window).bind("scroll", adaptaDimensoesLayer);
										$(window).bind("resize", adaptaDimensoesLayer);
									
									
									
									
									
									
									//fechar
									$(".bgOverlayZoom, #btZoomClose").click(function() {
										$(".bgOverlayZoom").hide();
										$(".contentZoom").fadeOut("fast");
										$(window).unbind("scroll", adaptaDimensoesLayer);
										$(window).unbind("resize", adaptaDimensoesLayer);
										return false;
									});
								}
							//cancela #
							return false;
				});
					
			  });
						
						
						function addSufixoFilename(str, sufixo) {
							/*
							* adiciona sufixo ao nome do arquivo
							*/
							var findLastDot = str.lastIndexOf(".");
							var extension = str.substr(findLastDot, str.length);
							var strTemp = str.substr(0, findLastDot);
							return strTemp+sufixo+extension;
						}

						
						
						
						function adaptaDimensoesLayer() {
							/*
							* adapta background e centraliza conteúdo do layer
							*/
							var scrTop = $(document).scrollTop();
							
							//layer conteudo
							var top = ($(window).height() - $(".contentZoom").height()) * .5;
							var left = ($(window).width() - $(".contentZoom").width()) * .5;
							top += scrTop;
							$(".contentZoom").css("top", top+"px");
							$(".contentZoom").css("left", left+"px");
							//layer bg
							var wHtml = $(window).width();
							$(".bgOverlayZoom").css("width", wHtml+"px");
							var hHtml = $(window).height();
							$(".bgOverlayZoom").css("height", hHtml+"px");
						}