var whitespace = " \t\n\r";
var formok = false;
var noofvalidation = 0;
function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}

function isWhitespace (s)

{   var i;
    if (isEmpty(s)) return true;

    for (i = 0; i < s.length; i++)
    {   

	var c = s.charAt(i);

	if (whitespace.indexOf(c) == -1) return false;
    }

    return true;
}

//  #################### Old file########################## 
// var numeric = new Array("1","2","3","4","5","6","7","8","9","0","~","`","!","@","#","$","%","^","&","*","(",")","_","=","+","[","{","}","]",";",":","<",">",".","/","?",",") //,"[","{","]","}","\","|",";",":","'","<",".",">","/","?")
/*
function isEmail (s)
{  
    var i = 1;
    var sLength = s.length;
	
	if (s.charAt(sLength-1) == ".") return false;
	if (s.charAt(sLength-1) == ">") return false;
	
	if( s.indexOf(" ") > 0)
		return false;
		
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }
	
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

*/


function isEmail (s)
{  
    var i = 1;
    var sLength = s.length;
	
	var numeric = new Array("1","2","3","4","5","6","7","8","9","0","~","`","!","@","#","$","%","^","&","*","(",")","_","=","+","[","{","}","]",";",":","<",">",".","/","?",",") //,"[","{","]","}","\","|",";",":","'","<",".",">","/","?")
	//var numeric = new Array(".","+") 
	var k
    var value = s.charAt(sLength-1)
	for (var k = 0; k < 40; k++) {
		    if ((value.indexOf(numeric[k]) != "-1")){ 
			
			//alert("Please don't write numeric values");
			
			return false;                   
		
	        }	
		}
	///////////////////////////////////////////
	if( s.indexOf(" ") > 0)
		return false;
		
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }
	
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

function ForceEntry(objField, FieldName)
{
	var strField = new String(objField.value);
	if (isWhitespace(strField)) {
		alert("You need to enter information for \"" + FieldName + "\"");
		objField.focus();
		objField.select();
		return false;
	}

	return true;
}
		
function ForceNumber(objField, FieldName)
{
                        
	var strField = new String(objField.value);
	
	var i = 0;
	var subparts = strField.split(".");
	
	
	 
	if(subparts.length > 2){
		alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
		objField.select();
		objField.focus();
		return false;
	}
		

	for (i = 0; i < strField.length; i++)
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && strField.charAt(i) != '.') {
			alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
			objField.select();
			objField.focus();
			return false;
		}

	return true;
}
///////////////////////////////

//////////////////ForceAlpha///////////////

function ForceAlpha(objField, FieldName)
{
        var i
		var value = objField.value;
         //alert(value);
    //var numeric = new Array("'.'")
	var numeric = new Array("1","2","3","4","5","6","7","8","9","0","~","`","!","@","#","$","%","^","&","*","(",")","_","=","+","[","{","}","]",";",":","<",">",".","/","?",",") //,"[","{","]","}","\","|",";",":","'","<",".",">","/","?")
	//alert(numeric[0]);
	//alert (numeric.length)
	for (var i = 0; i < 40; i++) {
		    if ((value.indexOf(numeric[i]) != "-1")){ 
			
			alert("Please don't write numeric values");
			
			return false;                   
		
	        }	
		}
		return true;
	}
	////////////////////////////////////////////////////////////////
	/*
	var strField = new String(objField.value);
	
	var i = 0;
	var subparts = strField.split(".");
	
	
	 
	if(subparts.length > 2){
		alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
		objField.select();
		objField.focus();
		return false;
	}
		

	for (i = 0; i < strField.length; i++)
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && strField.charAt(i) != '.') {
			alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
			objField.select();
			objField.focus();
			return false;
		}

	return true;
}

*/


///////////////////////////////
function ForceNumber1(objField, FieldName)
{
                        
	var strField = new String(objField.value);
	
	var i = 0;
	var subparts = strField.split(".");
	
	
	 
	if(subparts.length > 2){
	    alert ( "Postcode must be in a numeric format. Please do not use non-numeric symbols.");
		//alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
		objField.select();
		objField.focus();
		return false;
	}
		

	for (i = 0; i < strField.length; i++)
	//if ((strField.charAt(i) == '' || strField.charAt(i) == '-') && (strField.charAt(i) > '0' || strField.charAt(i) < '9'))
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && strField.charAt(i-1) != '.') {
		  if ((strField.charAt(i) == ' ' || strField.charAt(i) == '-')){ 
		  return true;		  
		  }
			else { 
			alert ( "Postcode must be in a numeric format. Please do not use non-numeric symbols.");
			//alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
			objField.select();
			objField.focus();
			return false; 
			}
		}

	return true;
}
//////////////// for prospect id in admin area /////////////////

function ForceNumber2(objField, FieldName)
{
                        
	var strField = new String(objField.value);
	
	var i = 0;
	var subparts = strField.split(".");
	
	
	 
	if(subparts.length > 2){
	    alert ( "Prospect id must be in a numeric format. Please do not use non-numeric symbols.");
		//alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
		objField.select();
		objField.focus();
		return false;
	}
		

	for (i = 0; i < strField.length; i++)
	//if ((strField.charAt(i) == '' || strField.charAt(i) == '-') && (strField.charAt(i) > '0' || strField.charAt(i) < '9'))
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && strField.charAt(i-1) != '.') {
		  if ((strField.charAt(i) == ' ' || strField.charAt(i) == '-')){ 
		  return true;		  
		  }
			else { 
			alert ( "Prospect id must be in a numeric format. Please do not use non-numeric symbols.");
			//alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
			objField.select();
			objField.focus();
			return false; 
			}
		}

	return true;
}


///////////////////////////////
function ForceNumber3(objField, FieldName)
{
                        
	var strField = new String(objField.value);
	
	var i = 0;
	var subparts = strField.split(" ");
	
	
	 
	if(subparts.length > 4){
	   	alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
		objField.select();
		objField.focus();
		return false;
	}
		

	for (i = 0; i < strField.length; i++){
	//if ((strField.charAt(i) == '' || strField.charAt(i) == '-') && (strField.charAt(i) > '0' || strField.charAt(i) < '9'))
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && strField.charAt(i-1) != '.') {
		  if (!(strField.charAt(i) == ' ' || strField.charAt(i) == '-')){ 
			alert("\"" +FieldName +"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols."+i);
			objField.select();
			objField.focus();
			return false; 
			}
		}
	}

	return true;
}

//////////////////////////////////////////

function ForceMoney(objField, FieldName)
{
	var strField = new String(objField.value);
	
	if (isWhitespace(strField)) return true;

	var i = 0;

	for (i = 0; i < strField.length; i++)
		if ((strField.charAt(i) < '0' || strField.charAt(i) > '9') && (strField.charAt(i) != '.')) {
			alert("\"" + FieldName+"\"" + " must be a valid \"NUMERIC\" entry.  Please do not use commas or dollar signs or any non-numeric symbols.");
			objField.focus();
			return false;
		}

	return true;
}



function RTrim(strTrim)
{
	var str = new String(strTrim);
	var i = 0;
	var c = "";
	var endpos = 0

	for (i = str.length; i >= 0 && endpos == 0; i = i - 1) {
		c = str.charAt(i);
		if (whitespace.indexOf(c) == -1)
			endpos = i;
	}

	return str.substring(0,endpos+1);
}

function isDateNumber(strNum,method)
{
	var str = new String(strNum);
	var i = 0;

	if (isNaN(parseInt(str)) || parseInt(str) < 0) return false;

	if (method == 2)
		if (parseInt(str) > 31)
			return false;
	if (method == 1)
		if (parseInt(str) > 12)
			return false;

	for (i = 0; i < str.length; i++)
		if (str.charAt(i) < '0' || str.charAt(i) > '9')
			return false;


	return true;
}

function PromptErrorMsg(Field,strError)
{
	alert("You have entered an invalid \"DATE\".  Please make sure your date format is in \"DD/MM/YYYY\" format.");
	Field.select();
	Field.focus();
}


function ForceDate(datefield,strField, datetime)
{
	var str = new String(datefield.value);
	var datestr, datetimearray;
	if(datetime = "Date_Time"){
		datetimearray = str.split(" ");
		str = datetimearray[0];
	}
		
	var i = 0, count = str.length, j = 0;
	while ((str.charAt(i) != "/" && str.charAt(i) != "-") && i < count)
		i++;

	if (i == count || i > 2) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	var addOne = false;
	if (i == 2) addOne = true;

	if (!isDateNumber(str.substring(0,i),2)) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	j = i+1;
	i = 0;

	while ((str.charAt(i+j) != "/" && str.charAt(j+i) != "-") && i+j < count)
		i++;

	if (i+j == count || i > 2) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	if (!isDateNumber(str.substring(j,i+j),1)) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	j = i+3;
	i = 0;

	if (addOne) j++;

	while (i+j < count)
		i++;


	if (i != 2 && i != 4) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	if (!isDateNumber(str.substring(j,i+j),3)) {
		PromptErrorMsg(datefield,strField);
		return false;
	}

	return true;
}


function IsPostCode(strZip){
	var s = new String(strZip);

	if (s.length != 4)
		return false;

	if(s.charAt(0) < '2' || s.charAt(0) > '8')
		return false;
		
	for (var i=1; i < s.length; i++)
		if (s.charAt(i) < '0' || s.charAt(s) > '9')
			return false;
				
	return true;
}


function ForceLength(objField, nLength, strWarning){
	var strField = new String(objField.value);

	if (strField.length > nLength) {
		alert(strWarning);
		return false;
	} else
		return true;
}
/****************************************************************/

// PURPOSE:  Check to see if the string passed in is a valid time.
//	A valid time is defined as a string which is postfixed with either
//  "PM" or "AM".  Next it checks to see if there is a colon in the
//  string.  If there is, it makes sure that at least one digit preceeds
//  it and two proceed it.

function IsTime(strTime){
	var strTestTime1 = new String(strTime);
	strTestTime = strTestTime1.toUpperCase();

	var bolTime = false;

	if (strTestTime.indexOf("PM",1) != -1 || strTestTime.indexOf("AM",1))
		bolTime = true;
					
	if (bolTime && strTestTime.indexOf(":",0) == 0)
		bolTime = false;
			
	var nColonPlace = strTestTime.indexOf(":",1);
	if (bolTime && ((parseInt(nColonPlace) + 5) < (strTestTime.length - 1) || (parseInt(nColonPlace) + 4) > (strTestTime.length - 1)))
		bolTime = false;
		
	return bolTime;
}
	
function IsWebAddress(objfield, fieldname){
	var webadd = new String(objfield.value);
	var substrs = webadd.split(".");
	
	if((webadd.search("www.") != -1 || webadd.search("WWW.") != -1) && substrs.length >= 3){
		return true;
	}else{
		return false;
	}
}
		

function validate(objField, fieldname, typeandreq){
 	var valstring = new String(objField.value);
	
	if(typeandreq == "Date_Req"){
		if(! isWhitespace(objField.value)){ 
			if( !ForceDate(objField, objField ,"")){
				objField.select();
				objField.focus();
				return false;
			}
		}else{
			Forcevalidtypeentry(objField, fieldname, "DATE");
			return false;
		}
	}else if(typeandreq == "Date_Not"){
		if( !isWhitespace(objField.value)){ 
			if( !ForceDate(objField, objField, "")){
				return false;
			}
		}		
	}else if(typeandreq == "Email_Req"){
		if( ! isWhitespace(objField.value)) {
				if(! isEmail(objField.value)){
					Forcevalidtypeentry(objField,  fieldname, "Email");
					return false;
				}
		}else{
			Forcevalidtypeentry(objField,  fieldname, "Email");
			return false;
		}
	}else if(typeandreq == "Email_Req1"){
		if( ! isWhitespace(objField.value)) {
				if(! isEmail(objField.value)){
					//Forcevalidtypeentry(objField,  fieldname, "Email");
					objField.select();
					objField.focus();
					//alert('"The format of the email address is invalid. One example of a valid format is\n                      someone@somewhere.com');
					return false;
				}
		}else{
			Forcevalidtypeentry(objField,  fieldname, "Email");
			return false;
		}
		
		
		
		
		
	}else if(typeandreq == "Email_Not"){
		if( ! isWhitespace(objField.value))
			if(! isEmail(objField.value)){
					Forcevalidentry(objField,  fieldname, "Email");
					return false;
			}	
    }else if(typeandreq == "Num_Req"){
		
		if( ! isWhitespace(objField.value)){ 
			//alert("in num req");
			if( !ForceNumber(objField, fieldname))
				return false;
		}else{
			//alert("in empty");
			Forcevalidtypeentry(objField,  fieldname, "NUMBER");
			return false;
		}
	}else if(typeandreq == "Num_Req1"){
		
		if( ! isWhitespace(objField.value)){ 
			//alert("in num req");
			if( !ForceNumber1(objField, fieldname))
				return false;
		}else{
			//alert("in empty");
			Forcevalidtypeentry1(objField,  fieldname, "NUMBER");
			return false;
		}
		}
		else if(typeandreq == "Num_Req2"){
		
		if( ! isWhitespace(objField.value)){ 
			//alert("in num req");
			if( !ForceNumber2(objField, fieldname))
				return false;
		}else{
			//alert("in empty");
			Forcevalidtypeentry1(objField,  fieldname, "NUMBER");
			return false;
		}
	}else if(typeandreq == "alpha_Req"){
		
		if( ! isWhitespace(objField.value)){ 
			//alert("in num req");
			if( !ForceAlpha(objField, fieldname))
				return false;
		}else{
			//alert("in empty");
			Forcevalidtypeentry1(objField,  fieldname, "Alpha");
			return false;
		}
	}else if(typeandreq == "Num_Not") {
		if( !ForceNumber(objField, fieldname))
			return false;
	}else if(typeandreq == "DtTm_Req"){
		var datetimestr = new String(objField.value);
		
		if( ! isWhitespace(objField.value)){
			if(RTrim(datetimestr).indexOf(" ") != -1 ){
				var datetimearray = datetimestr.split(" ");
				//alert(datetimearray[1]);
				if( !ForceDate(objField, objField, "DATE_TIME" ) || !IsTime(datetimearray[1])){
					Forcevalidtypeentry(objField, fieldname, "DATE TIME");
					return false;
				}
			}else{
				Forcevalidtypeentry(objField, fieldname, "DATE TIME");
				return false;
			}
		}else{
			Forcevalidtypeentry(objField, fieldname, "DATE TIME");
			return false;
		}
	}else if(typeandreq == "DtTm_Not") {
		var datetimestr = new String(objField.value);
		if( ! isWhitespace(objField.value)){
			if(RTrim(datetimestr).indexOf(" ") != -1 ){
				var datetimearray = RTrim(datetimestr).split(" ");
				//alert(datetimearray);
				if(( !IsTime(datetimearray[1])) || !ForceDate(objField, objField, "DATE_TIME" ) ){
					Forcevalidentry(objField, fieldname, "DATE TIME");
					return false;
				}
			}else{
				Forcevalidentry(objField, fieldname, "DATE TIME");
				return false;
			}
		}
	}else if(typeandreq == "WebAdd_Req") {
		if(! isWhitespace(objField.value)){ 
			if( !IsWebAddress(objField, fieldname)){
				Forcevalidtypeentry(objField, fieldname, "WEB ADDRESS");
				return false;
			}
		}else{
			Forcevalidtypeentry(objField, fieldname, "WEB ADDRESS");
			return false;
		}
	}else if(typeandreq == "WebAdd_Not") {
		if( !isWhitespace(objField.value)){ 
				if( !IsWebAddress(objField, fieldname)){
					Forcevalidentry(objField, fieldname, "WEB ADDRESS");
					return false;
				}
		}
	}else if(typeandreq == "Pcode_Req") {
		if(! isWhitespace(objField.value)){ 
			if( !IsPostCode(objField.value)){
				Forcevalidtypeentry(objField, fieldname, "POST CODE");
				return false;
			}
		}else{
			Forcevalidtypeentry(objField, fieldname, "POST CODE");
			return false;
		}
	}else if(typeandreq == "Pcode_Not") {
		if( !isWhitespace(objField.value)) 
			if( !IsPostCode(objField.value)){
				Forcevalidentry(objField, fieldname, "POST CODE");
				return false;
			}
	}else
	  	alert("Sorry, we are out of " + typeandreq + ".<BR>");
	noofvalidation.value = parseInt(noofvalidation.value) + 1;
	return true;
}

function Forcevalidtypeentry(Field,FieldName, entrytype)
{
	//alert("\"" + FieldName +"\"" +" is a REQUIRED field and must be a valid \"" + entrytype + "\" entry. ");
	Field.select();
	Field.focus();
	return true;
}

function Forcevalidtypeentry1(Field,FieldName, entrytype)
{
     alert(" Please enter your "+ FieldName + ".");
	//alert("\"" + FieldName +"\"" +" is a REQUIRED field and must be a valid \"" + entrytype + "\" entry. ");
	Field.select();
	Field.focus();
	return true;
}


function Forcevalidentry(Field,FieldName, entrytype)
{
	alert("\"" + FieldName +"\"" +"  must have a valid \"" + entrytype + "\" entry. ");
	Field.select();
	Field.focus();
	return true;
}