<select>

<script language="javascript" type="text/javascript">
<!--

var date = new Date();
var d  = date.getDate();
var day = (d < 10) ? '0' + d : d;
var m = date.getMonth() + 1;
var month = (m < 10) ? '0' + m : m;
var yy = date.getYear();
var year = (yy < 1000) ? yy + 1900 : yy;

thisdate = day;

for (i=0;i<7;i++) {

switch(month)
{
case 1,3,5,7,8,10:

if (thisdate > 30) {
thisdate = 1;
day = 1 - i;
month = month + 1;
}
else
{
thisdate = day + i;
}

break;
case 4,6,9,11:

if (thisdate > 29) {
thisdate = 1;
day = 1 - i;
month = month + 1;
}
else
{
thisdate = day + i;
}

break;
case 12:

if (thisdate > 30) {
thisdate = 1;
day = 1 - i;
month = 1;
year = year + 1;
}
else
{
thisdate = day + i;
}

break;
case 2:

if (thisdate > 27) {
thisdate = 1;
day = 1 - i;
month = month + 1;
}
else
{
thisdate = day + i;
}

break;
}

document.write("<option>" + thisdate + "/" + month + "/" + year + "</option>");

}

//-->
</script>

</select>