function getDate(strDate){
    var aDate= strDate.split(".");
    var day = aDate[0];
    var vmonth = aDate[1];
    var year = aDate[2];
    var d = new Date();
    d.setDate(day);
    d.setMonth(month);
    d.setFullYear(year); 
    return d; 
}
 
var sDate1="DATE1.NAOK";
var sDate2="DATE2.NAOK";
var aDate1=sDate1.split(".");
var aDate2=sDate2.split(".");
 
date1 = getDate("DATE1.NAOK");
date2 = getDate("DATE2.NAOK");
diff = date1.getTime()-date2.getTime();
if(diff <0){
// Do something
}else
{
// Do another something
 
}