var mnam=new Array("Styczeń","Luty","Marzec","Kwiecień","Maj","Czerwiec","Lipiec","Sierpień","Wrzesień","Październik","Listopad","Grudzień");
  function cal_insert(id,m){
    
    t="<table id='"+id+"'><tr><th colspan=7><select id='mnth' onchange='chg_month()'>";
    for(i=1;i<13;i++){
      t=t+"<option value='"+i+"'>"+mnam[i-1];
      }
    t=t+"</select></th></tr>";
    t=t+"<tr><td>Pn</td><td>Wt</td><td>Śr</td><td>Cz</td><td>Pt</td><td>So</td><td>Nd</td></tr>";
    for( r=0;r<6;r++ ){
      t=t+"<tr>";
      for( c=0;c<7;c++ ){
        t=t+"<td>a</td>";
        }
      t=t+"</tr>";
    }
    t=t+"</table>";
    document.write(t);
    if( m && m>0 && m<13 )
      m=m-1;
    else {
    d=new Date();
    m=d.getMonth();
      }
    m=document.getElementById("mnth").selectedIndex=m;
    chg_month();
    }
  
  function chg_month(){
    m=document.getElementById("mnth").value;
    dat=new Date();
    dat.setMonth(m-1);
    dat.setDate(1);
    week_day=dat.getDay()-1;
    if( week_day<0 )week_day=6; 
    maxd=days_in_month(m,2008);
    t_cal=document.getElementById("tcal");
    count=0;day=0;
    for( r=0; r<6; r++ ){
      for( c=0; c<7; c++ ){
        if( count >= week_day && day <maxd )
          t_cal.rows[r+2].cells[c].innerHTML="<a href='"+(++day)+"-"+mnam[m-1]+"'>" + day + "</a>";
        else
          t_cal.rows[r+2].cells[c].innerHTML="";
        count++;
        
      }
      }
    }
    
  function days_in_month(m,y){ 
    if( m==2 ){
      d=new Date();
      d.setFullYear( y, m-1, 29 )
      if( d.getDate()==29 )return 29;else return 28;
      }
    if( m==1 || m==3 || m==5 || m==7 || m==8 || m==10 || m==12)
      return 31;
    else
      return 30;
    }