+function usersize($size)
+{
+ $suffix_a=array("","k","M","G","T");
+ while ($size>=1000 && sizeof($suffix_a)>=2) {
+ $size/=1000;
+ array_shift($suffix_a);
+ }
+ return(round($size)." ".$suffix_a[0]."B");
+}
+
+function data_href($filename,$text)
+{
+ return("<a href=\"$filename\">$text (".usersize(filesize($filename)).")</a>");
+}
+