function checkText(field, fieldName) {
  if (field.value == "") {
    alert("The " + fieldName + " is a required field.");
	field.focus();
	field.blur();
	field.select();
	return false
  }
	return true 
}

function checkList(field, fieldName) {
  if (field.selectedIndex==0) {
	  alert("The " + fieldName + " is a required field.  Please select an option from the list");
	  field.focus();
	  return false
     }
     return true
}

function getSelectedRadioButton(buttonGroup, fieldName) {
	for (var i=0; i< buttonGroup.length; i++) {
		if (buttonGroup[i].checked) {
			return true
		}
	}
	alert("The " + fieldName + " is a required field.  Please select a radio button");
	document.form2.businessEntity.focus();
	return false
}


function checkNumeric(field, fieldName) {
var valid = "0123456789."
var ok = "yes";
var temp;
	for (var i=0; i<field.value.length; i++) {
	temp = "" + field.value.substring(i, i+1);
	if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") {
		alert(fieldName + " is a numeric field");
		field.focus();
		field.select();
		return false
	   }
return true
}


function filterMoney(field) {
	alert("filtering money")
	re = /^\$|,/g;
	// remove "$" and ","
	return field.replace(re, "");
}

function checkZip(field, fieldName) {
	var valid = "0123456789-";
	var hyphencount = 0;

	if (!(field.value.length == 5 || field.value.length == 10)) {
		alert("Please enter your 5 digit or 5 digit+4 zip code.");
		field.focus();
		field.select();
		return false;
	}
	for (var i=0; i < field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (temp == "-") hyphencount++;
		if (valid.indexOf(temp) == "-1") {
			alert("Invalid characters in your zip code.  Please try again.");
			field.focus();
			field.select();
			return false;
		}
		if ((hyphencount > 1) || ((field.value.length==10) && (field.value.charAt(5) != "-"))) {
			alert("The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.");
			field.focus();
			field.select();
			return false;
		}
	}
	return true;
}

/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
*/

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;	

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++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function checkPhone(field, fieldName){
	var Phone=field;
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number");
		Phone.focus();
		return false;
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number");
		Phone.value="";
		Phone.focus();
		return false;
	}
	return true;
 }


/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

 		 return true					
	}

function checkEmail(field, fieldName){
	
	if (echeck(field.value)==false){
		field.value=""
		field.focus()
		return false
	}
	return true
 }

/**
 * 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=1900;
var maxYear=2100;

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 checkDate(field){
	var dt=field
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }