Hämta veckan och datumet!

Hur gör jag för att i denna kod hämta veckan och datumet i javascriptkoden?!

Har jag förklarat dåligt får ni skriva det...

<%Artal="2003"

Set Akt=Conn.Execute("Select * From aktivitet Where aID=" & Request.QueryString("aID"))%>
  <table width="<%=Width%>" border="0" cellspacing="0" cellpadding="2" style="border-bottom: 1px solid black;border-right: 1px solid black;border-left: 1px solid black">
    <form action="index.asp?action=updateA&aID=<%=Akt("aID")%>" method="post" name="myform">
    <tr> 
      <td valign="top" colspan="3" style="border-bottom: 1px solid <%=LINJE%>" class="field">
        <b><font size="2">Ändra aktivitet</font></b>
      </td>
    </tr>
    <tr>
      <td width="48%" valign="top" class="field">
        <b>Vecka:</b><br>
        <select name="week" onChange="updateDates(this.form);" style="width:100%"></select>
      </td>
      <td width="4%" rowspan="4">&nbsp;</td>
      <td width="48%" valign="top" class="field">
        <b>Datum:</b><br>
        <select name="dates" style="width:100%"></select>
      </td>
    </tr>
    <tr>
      <td valign="top" class="field">
        <b>Aktivitet/kategori:</b><br>
        <%Set Kat=Conn.Execute("Select * From kategori Order By kategori")%>
          <select name="aktivitet" style="width:100%" class="input">
            <%Do Until Kat.EOF%>
              <option value="<%=Kat("kID")%>" <%If Akt("aktivitet") = Kat("kID") Then Response.Write " selected"%>><%=Kat("kategori")%>
            <%Kat.MoveNext
            Loop%>
          </select>
        <%Kat.Close
        Set Kat = Nothing%>
      </td>
      <td valign="top" class="field">
        <b>Person:</b><br>
        <%Set Per=Conn.Execute("Select * From personer Order By namn")%>
          <select name="person" style="width:100%" class="input">
            <%Do Until Per.EOF%>
              <option value="<%=Per("pID")%>" <%If Akt("person") = Per("pID") Then Response.Write " selected"%>><%=Per("namn")%>
            <%Per.MoveNext
            Loop%>
          </select>
        <%Per.Close
        Set Per = Nothing%>
      </td>
    </tr>
    <tr> 
      <td valign="top" colspan="3">&nbsp;<input type="submit" name="spara" value="Utför ändring"></td>
    </tr>
    </form>
  </table>

<script type="text/javascript">
var startAt = 1	    // 0 - sunday ; 1 - monday

Date.prototype.getWeek=function(){
	var nywd=(new Date(this.getFullYear(),0,1).getDay()-startAt==0)?7:new Date(this.getFullYear(),0,1).getDay()-startAt;
	var w=Math.ceil((this.getTime()+nywd*86400000-new Date(this.getFullYear(),0,1).getTime())/(604800000))
	if(nywd>4){w--;}
	if(w==0){ return new Date(this.getFullYear()-1,11,31).getWeek()}
	if(w==53 && new Date(this.getFullYear()+1,0,1).getDay()-startAt<=4){w=1}
	return w
}
var year=<%=Artal%>;

var thisWeek=null;
if (startAt==0)	{
  var weekdays=["Söndag","Måndag","Tisdag","Onsdag","Torsdag","Fredag","Lördag"];
}else{
  var weekdays=["Måndag","Tisdag","Onsdag","Torsdag","Fredag","Lördag","Söndag"];
}
var i=-1; var datesInWeek=new Array(); datesInWeek[1]=new Array();
for(var n=0;new Date(new Date().getTime()+n*86400000).getFullYear()==<%=Artal%>;n++){
	var d=new Date(new Date().getTime()+n*86400000);
	if(d.getWeek()!=thisWeek){
		document.myform.week[document.myform.week.length]=new Option(d.getWeek(),d.getWeek());
		i++;
		datesInWeek[i]=new Array();
	}
	thisWeek=d.getWeek();
	datesInWeek[i][datesInWeek[i].length]=d;
}
function updateDates(obj){
	obj.dates.length=0;
	for(var n=0;n<datesInWeek[obj.week.selectedIndex].length;n++){
		var d=datesInWeek[obj.week.selectedIndex][n];
		var dm=d.getMonth()+1; dm=(dm<10)?"0"+dm:dm;
		var dd=(d.getDate()<10)?"0"+d.getDate():d.getDate();
		obj.dates[n]=new Option(weekdays[(d.getDay()-startAt==-1)?6:(d.getDay()-startAt)]+" "+d.getDate()+"/"+(d.getMonth()+1),d.getFullYear()+"-"+dm+"-"+dd);
	}
}
updateDates(document.myform);
</script>