function dateendv() {
var d = new Date(document.getElementById('dateend[Y]').value, document.getElementById('dateend[M]').value-1, document.getElementById('dateend[d]').value);
var y=d.getYear();
if(y<=1900) y+=1900;
//document.event.dateendv.value = d.getDate()+"/"+(d.getMonth()+1)+"/"+y;
//alert(d.getDate()+"/"+(d.getMonth()+1)+"/"+y);
return  d.getDate()+"/"+(d.getMonth()+1)+"/"+y; 
}

function datestartv() {
var d = new Date(document.getElementById('datestart[Y]').value, document.getElementById('datestart[M]').value-1, document.getElementById('datestart[d]').value);
var y=d.getYear();
if(y<=1900){ y+=1900};
//document.event.datestartv.value = d.getDate()+"/"+(d.getMonth()+1)+"/"+y;
return d.getDate()+"/"+(d.getMonth()+1)+"/"+y;
}

function setForwardDate(y,m,d) { 
     document.getElementById('date_forward_year').value=y; 
     document.getElementById('date_forward_month').value=m; 
     document.getElementById('date_forward_day').value=d; 
     ddate('d');
}

function setBackwardDate(y,m,d) { 
     document.getElementById('date_backward_year').value=y; ; 
     document.getElementById('date_backward_month').value=m; 
     document.getElementById('date_backward_day').value=d; 
     adate('d');
}

function setdatestart(y,m,d) { 
     document.getElementById('datestart[Y]').value=y; ; 
     document.getElementById('datestart[M]').value=m; 
     document.getElementById('datestart[d]').value=d; 
     datestartv('d');
}


function setdateend(y,m,d) { 
     document.getElementById('dateend[Y]').value=y; ; 
     document.getElementById('dateend[M]').value=m; 
     document.getElementById('dateend[d]').value=d; 
     dateendv('d');
}