function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
} 

function validateData(thefield){

} 



/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=2008;
var maxYear=2009;

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
}

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){
        alert("The date format should be : mm/dd/yyyy")
        return false
    }
    if (strMonth.length<1 || month<1 || month>12){
        alert("Please enter a valid month")
        return false
    }
    if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
        alert("Please enter a valid day")
        return false
    }
    if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
        alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
        return false
    }
    if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
        alert("Please enter a valid date")
        return false
    }
return true
}

function validateCarrierDetailForm(){
    var dt = document.carrierDetailByDate.txtStartDate
    var enddt = document.carrierDetailByDate.txtEndDate
    err = 0
    if (isDate(dt.value)==false) {
    	err = 1
    }
    if (enddt.value != '' && isDate(enddt.value)==false) {
    	err = 2
    }
    
    if (err > 0) {
    	if (err == 1) {
        	dt.focus()
        } else {
        	enddt.focus()
        }
        return false
    }
    return true
}

function validateShipmentDetailForm(){
    var dt = document.shipmentDetailByRange.txtStartDate
    var enddt = document.shipmentDetailByRange.txtEndDate
    err = 0
    if (isDate(dt.value)==false) {
    	err = 1
    }
    if (enddt.value != '' && isDate(enddt.value)==false) {
    	err = 2
    }
    
    if (err > 0) {
    	if (err == 1) {
        	dt.focus()
        } else {
        	enddt.focus()
        }
        return false
    }
    return true
}

function validateShipmentDetailFormORIG(){
    var dt=document.shipmentDetailByRange.txtStartDate
    if (isDate(dt.value)==false){
        dt.focus()
        return false
    }
    return true
}
 
 function validateRBC()
 {
    if (document.RBC.db)
    {
        if (document.RBC.carrier.value == '' ||
            document.RBC.db.value == ''){
            alert('Please select a Carrier and a Database.');
            return false
        }
    }
    else
    {
        if (document.RBC.carrier.value == ''){
            alert('Please select a Carrier.');
            return false
        }
    }
    return true
 }

 function validateProNumberForm()
 {
    if (document.RBPRO.proNum)
    {
        if (document.RBPRO.proNum.value == ''){
            alert('Please Enter a Carrier/Pro Number.');
            return false;
        }
    }
    return true;
  }
 
  function putFocus(formInst, elementInst) {
    if (document.forms.length > 0) {
        document.forms[formInst].elements[elementInst].focus();
    }
  }