jQuery Grid Plugin - jqGrid

Hi, when I try to download the grid libraries I only get a broken zip which is actually a textfile containing the following error messages:

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<b>Warning</b>:  filesize() [<a href='function.filesize'>function.filesize</a>]: stat failed for e670a4bd88b4dae32732a7a2c5fb9481_some.zip in <b>/home/trirand/public_html/jqgrid/downloads/downloadgrid.php</b> on line <b>64</b><br />
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/trirand/public_html/jqgrid/downloads/downloadgrid.php:64) in <b>/home/trirand/public_html/jqgrid/downloads/downloadgrid.php</b> on line <b>64</b><br />
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/trirand/public_html/jqgrid/downloads/downloadgrid.php:64) in <b>/home/trirand/public_html/jqgrid/downloads/downloadgrid.php</b> on line <b>65</b><br />
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/trirand/public_html/jqgrid/downloads/downloadgrid.php:64) in <b>/home/trirand/public_html/jqgrid/downloads/downloadgrid.php</b> on line <b>66</b><br />
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<b>Warning</b>:  readfile(e670a4bd88b4dae32732a7a2c5fb9481_some.zip) [<a href='function.readfile'>function.readfile</a>]: failed to open stream: No such file or directory in <b>/home/trirand/public_html/jqgrid/downloads/downloadgrid.php</b> on line <b>69</b><br />

Some temporary server problem?