function setCookie(c_name,value,expiredays)
{
    var exdate=new Date()
    exdate.setDate(exdate.getDate()+expiredays)
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}

function confirmSubmission(){

var ok=true;
var date=this.document.forms['calFormInput'].elements[0].value;
var month=this.document.forms['calFormInput'].elements[1].value;
var year=this.document.forms['calFormInput'].elements[2].value;
if(date == "-1")ok=false;
if(month == "-1")ok=false;
if(year == "-1")ok=false;
if(ok)
{
    var maxday = finMes(month);
    //alert(maxday);
    if(maxday < date)ok=false;
}
return ok;
}

function finMes(nMes){
var nRes = 0;
switch (nMes){
case "0": nRes = 31; break;
case "1": nRes = 29; break;
case "2": nRes = 31; break;
case "3": nRes = 30; break;
case "4": nRes = 31; break;
case "5": nRes = 30; break;
case "6": nRes = 31; break;
case "7": nRes = 31; break;
case "8": nRes = 30; break;
case "9": nRes = 31; break;
case "10": nRes = 30; break;
case "11": nRes = 31; break;
}
return nRes;
}