function CheckDate() {
	var newmonthnbday = [ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
var errStr = 'Invalid date';
with(document.idForm) {
 var j = fromday[fromday.selectedIndex].value;
 var m = frommonth[frommonth.selectedIndex].value;
 var a = fromyear[fromyear.selectedIndex].value;
 }
maxday = (m == 2 && a % 4 == 0 && (a % 100 != 0 || a % 400 == 0)) ? 29 : newmonthnbday[m];
if (j > maxday) {
alert(errStr);
 return false;
 }return true;}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}