//Calendrier
var calendarField;
function calendrier(field) {
  var o=document.getElementById('formDateValidite');
  var ladate = o.elements[field].value;
  calendarField = field;
  var vtmp = new Array(3);
  if(ladate == "") {
	var today = new Date();
	vtmp[0] = today.getDay();
	vtmp[1] = today.getMonth()+1;
	vtmp[2] = today.getYear();
	vtmp[3] = today.getHours();
	vtmp[4] = today.getMinutes();
	vtmp[5] = today.getSeconds();
	if(vtmp[2] < 1000) vtmp[2]+=1900;
  } else {
	var reg = new RegExp("[: /]", "ig");
	vtmp=ladate.split(reg);
  }

  var heure = (arguments[1] == true) ? true : false;	//Si l'heure est demandée

  var chaine_date = "y=" + vtmp[2] + "&m=" + vtmp[1] + "&d=" + vtmp[0];
  if(heure == true) {
	chaine_date += "&h=" + (vtmp[3]?vtmp[3]:"00") + "&i=" + (vtmp[4]?vtmp[4]:"00") + "&s=" + (vtmp[5]?vtmp[5]:"00");
  }

  window.open("calendrier.php?"+ chaine_date,"calendrier","width=210,height="+(heure?230:230)+",scrollbars=no,left=210,top=170");
}

function retourDate(dat) {
  var o=document.getElementById('formDateValidite');
  el=o.elements[calendarField];
  el.disabled=false;
  el.value=dat;
  el.disabled=true;
  calendarField="";
  change_from = true;	//Variable pour changement de la médiathèque
}

function cleancalendrier(field) {
  var o=document.getElementById('formDateValidite');
  el=o.elements[field];
  el.disabled=false;
  el.value='';
  el.disabled=true;
  calendarField="";
  change_from = true;	//Variable pour changement de la médiathèque
}