// JScript File
function LTrim( value ) {
var re = /\s*((\S+\s*)*)/;
return value.replace(re, "$1");
}
// Removes ending whitespaces
function RTrim( value ) {
var re = /((\s*\S+)*)\s*/;
return value.replace(re, "$1");
}
// Removes leading and ending whitespaces
function trim123( value ) {
return LTrim(RTrim(value));
}
var dtCh= "/";
var minYear=1800;
var maxYear=2200;
function IsNumeric(strString)
// check for valid numeric strings	
{
var strValidChars = "0123456789.";
var strChar;
var blnResult = true;
if (strString.length == 0) return false;
// test strString consists of valid characters listed above
for (i = 0; i < strString.length && blnResult == true; i++)
{
strChar = strString.charAt(i);
if (strValidChars.indexOf(strChar) == -1)
{
blnResult = false;
}
if(strChar==".")
{
strValidChars = "0123456789";	
}
}
return blnResult;
}
function DaysArray(n) {
for (var i = 1; i <= n; i++) {
this[i] = 31
if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
if (i==2) {this[i] = 29}
} 
return this
}
function daysInFebruary (year){
// February has 29 days in any year evenly divisible by four,
// EXCEPT for centurial years which are not also divisible by 400.
return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function isDate(dtStr)
{
var daysInMonth = DaysArray(12);
var pos1=dtStr.indexOf(dtCh);
var pos2=dtStr.indexOf(dtCh,pos1+1);
var strMonth=dtStr.substring(0,pos1);
var strDay=dtStr.substring(pos1+1,pos2);
var strYear=dtStr.substring(pos2+1);
strYr=strYear;
if (strDay.charAt(0)=="0" && strDay.length>1) 
strDay=strDay.substring(1);
if (strMonth.charAt(0)=="0" && strMonth.length>1) 
strMonth=strMonth.substring(1);
for (var i = 1; i<= 3; i++) 
{
if (strYr.charAt(0)=="0" && strYr.length>1) 
strYr=strYr.substring(1);
}
month=parseInt(strMonth);
day=parseInt(strDay);
year=parseInt(strYr);
if (pos1==-1 || pos2==-1)
{
return false;
}
if (strMonth.length<1 || month<1 || month>12)
{
return false;
}
if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
{
return false;
}
if (strYear.length != 4 || year==0 || year<minYear || year>maxYear)
{
return false;
}
if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false)
{
return false;
}
return true;
}
function stripCharsInBag(s, bag){
var i;
var returnString = "";
// Search through string's characters one by one.
// If character is not in bag, append to returnString.
for (i = 0; i < s.length; i++){  
var c = s.charAt(i);
if (bag.indexOf(c) == -1) returnString += c;
}
return returnString;
}
function isInteger(s){
var i;
for (i = 0; i < s.length; i++){  
// Check that current character is number.
var c = s.charAt(i);
if (((c < "0") || (c > "9"))) return false;
}
// All characters are numbers.
return true;
}