function makeArray0() {
     for (i = 0; i<makeArray0.arguments.length; i++)
          this[i] = makeArray0.arguments[i];
}

var days = new makeArray0("Sunday","Monday","Tuesday","Wednesday",
    "Thursday","Friday","Saturday");

var months = new makeArray0('January','February','March',
    'April','May','June','July','August','September',
    'October','November','December');



function nths(day) {
     if (day == 1 || day == 21 || day == 31) return 'st';
     if (day == 2 || day == 22) return 'nd';
     if (day == 3 || day == 23) return 'rd';
     return 'th';
}

function getCorrectedYear(year) {
    year = year - 0;
    if (year < 70) return (2000 + year);
    if (year < 1900) return (1900 + year);
    return year;
}

function y2k(number) { return (number < 1000) ? number + 1900 : number; }

function getLastUpdated() {

   var last = document.lastModified;
   var date = new Date(last);
   var dateY2K = new Date(getCorrectedYear(date.getYear()),date.getMonth(),date.getDate());

   document.write("Last updated on " + days[dateY2K.getDay()] + ' ' +
       dateY2K.getDate() + nths(dateY2K.getDate()) + " " +
       months[dateY2K.getMonth()] + ", " +
       (y2k(dateY2K.getYear())) + ".");

}

function getLastReportUpdate() {

   var last = document.lastModified;
   var date = new Date(last);
   var dateY2K = new Date(getCorrectedYear(date.getYear()),date.getMonth(),date.getDate());

   document.write("Report queries last updated on " + days[dateY2K.getDay()] + ' ' +
       dateY2K.getDate() + nths(dateY2K.getDate()) + " " +
       months[dateY2K.getMonth()] + ", " +
       (y2k(dateY2K.getYear())) + ".");

}

function getMetaUpdate() {

   var last = document.lastModified;
   var date = new Date(last);
   var dateY2K = new Date(getCorrectedYear(date.getYear()),date.getMonth(),date.getDate());
   
   
   document.write("<META name=\"DC.Date\">" + dateY2K.getMonth() + "/" + dateY2K.getDate() + "/" + (y2k(dateY2K.getYear())) +"</META>" );
   //document.write("<META name=DC.Date content=\"" + dateY2K.getMonth() + "/" + dateY2K.getDate() + "/" + (y2k(dateY2K.getYear())) +"\" />");
}

function validateInvForm() {
   // Validates input from Inventory Status Custom Report Generation form.
   //alert("Please select something!");
   
   if(document.forms[1].units.selectedIndex<0 && document.forms[1].networks.selectedIndex<0 && document.forms[1].regions.selectedIndex<0) {
      alert("Please select at least one NPS Unit or at least one I&M Network or at least one NPS Region.");
      return false;
   }
   if(document.forms[1].units.selectedIndex>-1 && document.forms[1].networks.selectedIndex>-1 && document.forms[1].regions.selectedIndex>-1) {
      alert("Please select either NPS Unit(s) or I&M Network(s) or an NPS Region.");
      return false;
   }
   if(document.forms[1].units.selectedIndex>-1 && document.forms[1].networks.selectedIndex>-1) {
      alert("Please select either NPS Units or I&M Networks or an NPS Region.");
     return false;
   }
   if(document.forms[1].units.selectedIndex>-1 && document.forms[1].regions.selectedIndex>-1) {
      alert("Please select either NPS Units or I&M Networks or an NPS Region.");
      return false;
   }   
   if(document.forms[1].networks.selectedIndex>-1 && document.forms[1].regions.selectedIndex>-1) {
      alert("Please select either NPS Units or I&M Networks or an NPS Region.");
      return false;
   }       
   if(document.forms[1].inventories.selectedIndex<-1) {
      alert("Please select at least one Inventory.");
      return false;
   }
   document.forms[1].submit();
   //return true;
}