upload max size?

Code: Select all

          for (i = 0; i < this.files.length; i++) {
			
			alert('file size ' + this.files[0].size);
              if ((this.files[0].size / 1024) > 20971520) {
                  $(this).val('');

                  alert('Warning: The uploaded file exceeds the 20mb max file size!');
              }
          }