// <!--
var win=null;

function NewWindow(mypage, myname)
{
    settings="height=380,width=300,top=" + 0 + ",left=" + 0 + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";
    win=window.open(mypage,myname,settings);
    win.focus();
    return false;
}

function emailValidation(source, arguments) {
    if (arguments.Value.indexOf("@") == -1 || arguments.Value.indexOf(".") == -1) 
	{
     	arguments.IsValid=false;
	}
	else
	{
		arguments.IsValid=true;
	}
}

function checkLength(txtBox, length) {
    if( txtBox.value.length > length ) {
        txtBox.value = txtBox.value.substring(0, length)
        alert("You cannot enter any more data in this field")
    }
}

function isValidDateWithoutAlert(source, arguments) {
    var dateStr = arguments.Value
    // Checks for the following valid date formats:
    // MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY
    // Also separates date into month, day, and year variables

    var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{2}|\d{4})$/;

    // To require a 4 digit year entry, use this line instead:
    // var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/;

    var matchArray = dateStr.match(datePat); // is the format ok?
    if (matchArray == null) {
        arguments.IsValid=false;
        return false;
    }
    month = matchArray[3]; // parse date into variables
    day = matchArray[1];
    year = matchArray[4];
    
    if (month < 1 || month > 12) { // check month range
        arguments.IsValid=false;
        return false;
    }
    if (day < 1 || day > 31) {
        arguments.IsValid=false;
        return false;
    }
    if ((month==4 || month==6 || month==9 || month==11) && day==31) {
        arguments.IsValid=false
        return false;
    }
    if (month == 2) { // check for february 29th
    var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
    if (day>29 || (day==29 && !isleap)) {
        arguments.IsValid=false;
        return false;
       }
    }
    arguments.IsValid=true;  // date is valid
}

function isValidDate(source, arguments) {
    var dateStr = arguments.Value
    // Checks for the following valid date formats:
    // MM/DD/YY   MM/DD/YYYY   MM-DD-YY   MM-DD-YYYY
    // Also separates date into month, day, and year variables

    var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{2}|\d{4})$/;

    // To require a 4 digit year entry, use this line instead:
    // var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{4})$/;

    var matchArray = dateStr.match(datePat); // is the format ok?
    if (matchArray == null) {
    alert("Date is not in a valid format. dd/mm/yyyy")
    arguments.IsValid=false;
    return false;
    }
    month = matchArray[3]; // parse date into variables
    day = matchArray[1];
    year = matchArray[4];
    if (month < 1 || month > 12) { // check month range
    alert("Month must be between 1 and 12.");
    arguments.IsValid=false;
    return false;
    }
    if (day < 1 || day > 31) {
    alert("Day must be between 1 and 31.");
    arguments.IsValid=false;
    return false;
    }
    if ((month==4 || month==6 || month==9 || month==11) && day==31) {
    alert("Month "+month+" doesn't have 31 days!")
    arguments.IsValid=false
    return false;
    }
    if (month == 2) { // check for february 29th
    var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
    if (day>29 || (day==29 && !isleap)) {
    alert("February " + year + " doesn't have " + day + " days!");
    arguments.IsValid=false;
    return false;
       }
    }
    arguments.IsValid=true;  // date is valid
}
// -->