Look at [man]strtotime[/man] or [man]mktime[/man] for your dates
<select name="dates">
<option><?php echo date("m/d/Y"); //today ?></option>
<option><?php echo date("m/d/Y",strtotime("tomorrow")); // tomorrow ?></option>
<option><?php echo date("m/d/Y",strtotime("this saturday")); // this coming saturday ?></option>
<option><?php echo date("m/d/Y",strtotime("next saturday")); // next saturday ?></option>
</select>
<?php
/* for ranges
* example printing two weeks
*/
?>
<select name="range">
<option><?php echo date("m/d/Y"); //today ?></option>
<?php
for($i=1;$i<14;$i++) {
?>
<option><?php echo date("m/d/Y",mktime(0,0,0,date("m"),date("d")+$i,date("Y"))); ?></option>
<?php
}
?>
</select>