var lang={msg_upload_invalid_file:"请您选择正确的图片文件",msg_upload_submit_empty_form:"请选择上传的文件",unknown_Error:"文件超过允许最大值",upload_Error_code_1:"上传文件超过允许大小",upload_Error_code_2:"上传文件超过允许大小",upload_Error_code_3:"文件上传失败",upload_Error_code_4:"文件上传失败",getNewPicId_Error:"操作失败",no_free_space_Error:"上传图片超过允许剩余空间",image_size_too_small_Error:"上传图片小于允许尺寸",Save_to_DB_Error:"数据库错误",end:"end"};var image_file_ext=new Array("jpg","jpeg","gif","png");function isImgFile(A){var B=$("file_"+A);if(B.value!=null&&B.value!=""){if(!isSupportedFile(B)){B.value="";return false}}return true}function getFileExtension(B){if(B==null||B==""){return""}var C=null;var A=B.lastIndexOf(".");if(A!=-1){C=B.substring(A+1)}else{C=""}return C}function isImageFile(A){var C=getFileExtension(A).toLowerCase();for(var B=0;B<image_file_ext.length;B++){if(image_file_ext[B]==C){return true}}return false}function isZipFile(A){var B=getFileExtension(A).toLowerCase();if(B=="zip"){return true}return false}function isSupportedFile(A){var B=$(A);if(B.value!=null&&B.value!=""&&!isImageFile(B.value)){alert(lang["msg_upload_invalid_file"]);B.style.backgroundColor="red";B.style.color="white";B.focus();return false}else{B.style.color="black";B.style.backgroundColor="";return true}}function imagePreview(C,D){if(!document.all){return }var A=$(C);var B=$(D);if(B.value!=null&&B.value!=""&&isImageFile(B.value)){A.src="file:///"+B.value.replace(/\\/g,"/")}else{A.src="/common/img/preview.jpg"}}function startUpload(){document.getElementById("uploadForm_container").style.display="none";document.getElementById("upload_uploading_container").style.display=""}function getFileName(B){if(B==null||B==""){return""}var C=null;var A=B.lastIndexOf("\\");if(A!=-1){C=B.substring(A+1)}else{C=""}return C}