<textarea name="problemBody" id="content" style="display:none;" textarea> <iframe src="<%=request.getContextPath() %>/edit/editor.htm?id=content&ReadCookie=0" frameBorder="0" marginHeight="0" marginWidth="0" scrolling="No" width="621" height="457"></iframe>

function chk_imgpath () {     if($('radio1').checked==true){    if($("imgpath").value == "http://" || $("imgpath").value == "") {     window.close();     return;    }    LoadIMG($("imgpath").value);     }else{        if($("file1").value == "") {        alert("请选择上传图片文件！");        return;        }        var filepath = j("#file1").val();        var filetype = filepath.substring(filepath.lastIndexOf('.'));        var regu = ".gif.jpg.png.jpge.GIF.JPG.PNG";         if (regu.indexOf(filetype) == -1) {              alert('只允许上传.gif.jpg.png.jpge 类型文件!');          return ;         }      var f = j('#form1');      j.ajaxFileUpload({              type : 'POST',              secureuri : false,              fileElementId : 'file1',              url : '/ask/fileUpload?type=img',              dataType : 'String',              success : function(data){               j("#imgpath").attr("value",data);                   j("#radio1").attr("checked","true");                    chk_imgpath();                    $('divProcessing').style.display='';              },              error : function(data){                  alert('文件上传失败');              }            });     }   }