var IDMask = "^([1-9][0-9]*)$";
var DateMask = "^((0[1-9]|[1-9]|1[0-2])\/(0[1-9]|[1-9]|[1-2][0-9]|3[0-1])\/[0-9][0-9][0-9][0-9])$";
var EmailMask = "^[a-zA-Z0-9_]+([\.-]?[a-zA-Z0-9_]+)*@[a-zA-Z0-9_]+([\.-]?[a-zA-Z0-9_]+)*(\.[a-zA-Z0-9_]{2,3})+$";
var PhoneMask = "^[0-9][0-9][0-9][\.-][0-9][0-9][0-9][\.-][0-9][0-9][0-9][0-9]$";
var re;

var dtCh= "/";
var minYear=1900;
var maxYear=2100;
var isRequired = false;

function validateRequiredInteger(theField) {
	isRequired = true;
	validateInteger(theField);
}
function validateRequiredEmail(theField) {
	isRequired = true;
	validateEmail(theField);
}
function validateRequiredPhone(theField) {
	isRequired = true;
	validatePhone(theField);
}
function isRequiredDate(theField) {
	isRequired = true;
	isDate(theField);
}

function validateInteger(theField) {
	re = new RegExp(IDMask);
	var integer = theField;
	if(typeof(theField) == "object")
		integer = theField.value;
	if (integer != '' || isRequired) {
		isRequired = false;
		if (re.test(integer) == false) {
			window.alert("\"" + integer + "\" is not an integer, please correct.");
			if(typeof(theField) == "object")
				theField.focus();
			return false;
		}
	}
	return true;
}
function validateEmails(field1, field2) {
	if (validateEmail(field1)) {
		if (field1.value == field2.value)
			return true;
		else
			window.alert("The email addresses must be identical, please correct.");
	}
	return false;
}
function validateEmail(theField) {
	re = new RegExp(EmailMask);
	var email = theField;
	if(typeof(theField) == "object")
		email = theField.value;
	email = email.split(/[\s,]+/);
	if (email != '' || isRequired) {
		isRequired = false;
		for (var i = 0; i < email.length; i++) {
			if (re.test(email[i]) == false) {
				window.alert("The email address " + email[i] + " is invalid, please correct.");
				if(typeof(theField) == "object")
					theField.focus();				
				return false;
			}
		}
	}
	return true;
}

function validatePhone(theField) {
	re = new RegExp(PhoneMask);
	var phone = theField;
	if(typeof(theField) == "object")
		phone = theField.value;
	if (phone != '' || isRequired) {
		isRequired = false;
		if (re.test(phone) == false) {
			window.alert("The phone number " + phone + " is invalid, please correct.");
			if(typeof(theField) == "object")
				theField.focus();
			return false;
		}
	}
	return true;
}
 
function isDate(theField){
	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 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 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 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;
	}
	var dtStr = theField;
	if(typeof(theField) == "object")
		dtStr = theField.value;
	dtStr = dtStr.replace(/^\s+|\s+$/g, '');
	if (dtStr=='' && !isRequired)
		return true;
	isRequired = false;
	var valid = false;
	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");
 	}
	else if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month");
	}
	else if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day");
	}
	else if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
	}
	else if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date");
	}
	else
		valid = true;
	if (!valid && typeof(theField) == "object")
		theField.focus();
	return valid;
}

function validateDate(theField){
	if (isDate(theField.value)==false){
		theField.focus();
		return false;
	}
    return true;
}

function stripBadChars2(form) {
	var selectString = "[sS][eE][lL][eE][cC][tT]";
	re = new RegExp(selectString + ".+[fF][rR][oO][mM]");
	var selectReplace = new RegExp (selectString, 'g');
  	for (var loop=0; loop < form.elements.length; loop++)
  	{
    	if (form.elements[loop].type == "text" || form.elements[loop].type == "textarea") {
    		form.elements[loop].value = (form.elements[loop].value).replace(/[^ -~]/g, ' ');
    	}
		if (re.test(form.elements[loop].value) == true) {
			form.elements[loop].value = (form.elements[loop].value).replace(selectReplace, 'sel_ect');
		}
 	}
}
function stripBadChars(form) {
	var allText = "";
  	for (var loop=0; loop < form.elements.length; loop++) {
  		if (form.elements[loop].value) {
  			form.elements[loop].value = form.elements[loop].value.replace(/[^ -~]/g, ' ');
    		allText += form.elements[loop].value + " ";
    	}
 	}
 	if (allText.search(/select.*from/i) != -1 || allText.search(/<.+>/) != -1) {
 		for (loop=0; loop < form.elements.length; loop++) {
 			if (form.elements[loop].value) {
				form.elements[loop].value = (form.elements[loop].value).replace(/(fr)o(m)/gi, '$10$2');
				form.elements[loop].value = (form.elements[loop].value).replace(/[<>]/g, '');
 			}
 		}	
 	}
}

function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}

var dom = '.us';
var delimiter = '@';
var co = 'state.mn';

function nes(name, domain) {
   locationstring = 'mai' + 'lto:' + name + delimiter + domain;
   window.location.replace(locationstring);
}

function dnes(name) {
	locationstring = 'mai' + 'lto:' + name + delimiter + co + dom;
	window.location.replace(locationstring);
}

function dnesa(name, agency) {
	locationstring = 'mai' + 'lto:' + name + delimiter + agency + co + dom;
	window.location.replace(locationstring);
}

function parse() {
	var array;
	var fields = new Array(3);
	fields[0] = 'recipient';
	fields[1] = 'email';
	fields[2] = 'myemail';
	for (j=0; j<fields.length; j++) {
		if (document.all.item(fields[j]) && (document.all.item(fields[j]).value).search(/\(\s*\'/) != -1) {
			array = (document.all.item(fields[j]).value).split(/\;/g);
			for (i=0; i<array.length; i++) {
				if (array[i].search(/dnes\s*\(\s*\'\s*.+\s*\'\s*\)/) != -1) {
					match = /\'\s*(.+)\s*\'/.exec(array[i]);
					array[i] = match[1] + delimiter + co + dom;
				} 
				else if (array[i].search(/[^d]?nes\s*\(\s*\'\s*([^\']+)\s*\'\s*\,\s*\'\s*([^\']+)\s*\'\s*\)/) != -1) {
					match = /\'\s*([^\']+)\s*\'\s*\,\s*\'\s*([^\']+)\s*\'/.exec(array[i]);
					array[i] = match[1] + delimiter + match[2];
				}
				else if (array[i].search(/dnesa\s*\(\s*\'\s*([^\']+)\s*\'\s*\,\s*\'\s*([^\']+)\s*\'\s*\)/) != -1) {
					match = /\'\s*([^\']+)\s*\'\s*\,\s*\'\s*([^\']+)\s*\'/.exec(array[i]);
					array[i] = match[1] + delimiter + match[2] + co + dom;
				}
			}
			document.all.item(fields[j]).value = array;
		}
	}
}