function populate_date(month,day,year){ge('date_month').value=month;ge('date_day').value=day;ge('date_year').value=year;}
function ge(elem){return document.getElementById(elem);}
function ajax(url,vars,callbackFunction){var request=new XMLHttpRequest();request.open("POST",url,true);request.setRequestHeader("Content-Type","application/x-www-form-urlencoded");request.onreadystatechange=function(){if(request.readyState==4&&request.status==200){if(request.responseText){callbackFunction(request.responseText);}}};request.send(vars);}