function testSMS(sCarrier,sPhone) {
	var strLink = 'test_SMS.asp?carrier=' +sCarrier+ '&cellnumber=' +sPhone;
	window.open(strLink, '', 'left=0,top=0,width=400,height=450,toolbar=no,directories=no,menubar=no,scrollbars=no,resizable=no');
	return false;
}

function testWAP(sCarrier,sPhone) {
	var strLink = 'test_WAP.asp?carrier=' +sCarrier+ '&cellnumber=' +sPhone;
	window.open(strLink, '', 'left=0,top=0,width=400,height=450,toolbar=no,directories=no,menubar=no,scrollbars=no,resizable=no');
	return false;
}

function showFeatureLink(sPage){
	var strLink = 'features.asp?nav=N&featureid=' +sPage;
	window.open(strLink, '', 'left=0,top=0,width=700,height=640,toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes');
	return false;
}

function Start(page) {
	OpenWin = this.open(page, "CtrlWindow", "toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,width=180,height=428,left=400,top=200");
	OpenWin.focus();
}

function checkNumeric(sValue) {
	//' Only allow 0-9 to be entered
	var checkOK = '0123456789.'
	var blnValid = false;
	for (var i=0; i<sValue.length; i++) {
		blnValid = false;
		var ch = sValue.charAt(i);
		for (var j=0; j<checkOK.length; j++) {
			if (ch == checkOK.charAt(j)) {
				//' This character was OK
				blnValid = true;
				break;
			}
			if (j == checkOK.length) {break;}
		}
		if (!blnValid) {break;}
	}
	return (blnValid);
}

function isValidDate(dtStr){
	var dtCh= "/";
	var minYear = 1900;
	var maxYear = 2038;
	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 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;
}

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 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 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
}

