var nomeUploadDiv;

       $(document).ready(function() {
			
          // gerarUpload();
			

        });



	function gerarUpload() {
      nomeUploadDiv = "upload";
      document.getElementById(nomeUploadDiv).innerHTML = ''+
        '<div id="divUploadForm">'+
		'<form action="upload.php" target="uploadIFrame" method="post" enctype="multipart/form-data" id="uploadForm">'+
		' <label for="arquivo"><span>Imagem:</span>'+
		'	<input type="file" name="arquivo" id="arquivo" onChange="uploadImagem()">'+
		//'<input type="button" name="enviar" id="enviar" value="Anexar" onClick="uploadImagem()">'+
		' </label></form>'+
		'<iframe id="uploadIFrame" name="uploadIFrame" src="" style="width:0px;height:0px; border:0px solid #000;"></iframe> '+
		'</div> <div id="divUploadArquivos" style="display:none"></div>';


    }

	function uploadImagem() {
                var $inputFileID = $("input[type='file']").attr('id');
                var $inputFile = $("input[type='file']").val();

				

				if ($inputFile!="") {

					var $formName = $("#uploadForm").attr('action');
	
					//document.getElementById('uploadIFrame').onload = uploadDone;
	
					var iframe = document.getElementById("uploadIFrame");
					if (iframe.addEventListener) {
					iframe.addEventListener("load", uploadDone, false); // firefox
					} else if (iframe.attachEvent) {
					iframe.attachEvent("onload", uploadDone); // IE
					}
					$("#uploadForm").submit();
				}
    }


	function uploadDone() { 

		var ret = frames['uploadIFrame'].document.getElementsByTagName("body")[0].innerHTML;
		var data = eval("("+ret+")"); 
		
		if(data.success) { 
			var arquivo = data.filename;
			document.getElementById("divUploadArquivos").innerHTML = ' <label for="arquivo"><span>Imagem:</span>'+arquivo+'</label>';
			
			document.getElementById("divUploadForm").style.display="none";
			document.getElementById("divUploadArquivos").style.display="block";
 			
			//alert(data.success);

		}
		else if(data.failure) { 
			erro("Erro: " + data.failure);
		}	

	}