iframe 파일전송

//ie 때문에 
$("#personFile").change(addPic);         


function addPic()
{
	form = document.createElement("form");
	form.name = "formFile";
	form.action = "/";
	form.method = "post";		
	form.enctype="multipart/form-data";
	form.encoding="multipart/form-data";
	
	var file = $(this);
	$(file).attr("name", "personFile");
	
	temp = $(this).parent();
	$(form).append($(file));
			
	var frameName = 'unique' + (new Date().getTime());  //generate a random name
		 
    var $frame = $('<iframe>', {
        src: "javascript: false;",
        name: frameName
    }).appendTo('body').hide();
	
    $frame.append(form);
    
    var pt = navigator.userAgent.indexOf('MSIE');
    if (pt != -1 ){
		if (Number(navigator.userAgent.substring(pt+5,pt+8)) > 8)
			form.target = frameName;
    }else
    	form.target = frameName;
	
    
    form.submit();
    
    
    $frame.load(function(e) {
        var doc = getDoc($frame[0]);
        var docRoot = doc.body ? doc.body : doc.documentElement;
        var data = docRoot.innerHTML;
        
        msg = $.parseJSON(data);		
		
		$("input[name=personFileGroupId]").val(msg.fileGroupId);
		$(".pic span").html('<img src="/img?imgName='+msg.fileName+'" width="170" height="175" />');
		
		doc.close();
		
		$('#fileWrap').append('<input type="file" name="files" id="personFile" />');
		$('#fileWrap').children('#personFile').change(addPic);
		
		$(this).remove();	        
        
    });	            
}