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Validate For Military Time
- Thread starter Michael42
- Start date
<HTML>
<head>
<SCRIPT language="javascript" type="text/javascript">
// anyMask found on web library
function anyMask(event, sMask) {
var KeyTyped = String.fromCharCode(getKeyCode(event));
var targ = getTarget(event);
keyCount = targ.value.length;
if (sMask.charAt(keyCount) == '*')
return true;
if (sMask.charAt(keyCount) == KeyTyped) {
return true;
}
if ((sMask.charAt(keyCount) == '#') && isNumeric(KeyTyped))
return true;
if ((sMask.charAt(keyCount) == 'A') && isAlpha(KeyTyped))
return true;
if ((sMask.charAt(keyCount) == '?') && isPunct(KeyTyped))
return true;
if (KeyTyped.charCodeAt(0) < 32) return true;
return false;
}
function getTarget(e) {
// IE5
if (e.srcElement) {
return e.srcElement;
}
if (e.target) {
return e.target;
}
}
function getKeyCode(e) {
//IE5
if (e.srcElement) {
return e.keyCode
}
// NC5
if (e.target) {
return e.which
}
}
function isNumeric(c)
{
var sNumbers = "01234567890";
if (sNumbers.indexOf(c) == -1)
return false;
else return true;
}
function isAlpha(c)
{
var lCode = c.charCodeAt(0);
if (lCode >= 65 && lCode <= 122 )
{
return true;
}
else
return false;
}
function isPunct(c)
{
var lCode = c.charCodeAt(0);
if (lCode >= 32 && lCode <= 47 )
{
return true;
}
else
return false;
}
</SCRIPT>
<SCRIPT language="JavaScript" type="text/javascript">
function IsValidTime(fldName,timeStr) {
/* Checks if time is in HH.MM format.
Takes no separator so client can use numeric pad entirely.*/
/* check for no entry or < 4 characters
completely blank is OK for this routine,
if a required field, other means must enforce*/
mhour = timeStr.substring(0,2)
mmin = timeStr.substring(2,4)
if (mhour=="" && mmin==""
{return true;
}
/*check if time entry is less than four numbers -
if so it is not acceptable */
if (timeStr.length < 4) {
alert("Use four numbers - military time format - e.g 1536"
;fldName.value="";
fldName.focus();
fldName.select();
return false;
}
if (mhour < 0 || mhour > 23) {
alert("24 hour format -must be between 0 and 23)"
;fldName.value="";
fldName.focus();
fldName.select();
return false;
}
if (mmin<0 || mmin > 59) {
alert ("Minute must be between 0 and 59."
;fldName.value="";
fldName.focus();
fldName.select();
return false;
}
fldName.value = mhour+":"+mmin
return true;
}
</SCRIPT>
<TITLE> Testing military time validation
</TITLE>
</HEAD>
<BODY>
<CENTER>
<FORM name="timeform" method="post" action="junk.asp">
Time (HH.MM 24 hour format)
<INPUT type="text" name="time" size="5" maxlength="5"
onkeypress='return anyMask(event, "####"
;'onblur = "return IsValidTime(this,this.value);">
<BR>
Other Stuff:
<INPUT type="text" name="junk" size="30">
<INPUT type="submit" value="Submit">
</FORM>
</CENTER>
</BODY>
</HTML>
- Thread starter
- #3
- Status
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