/* form_validation.js
   * CREATED BY: Martin Paczynski
   * Copyright (c) 2001-2003 Martin Paczynski. All Rights Reserved.
   * Originally published and documented at http://www.paczynski.net/
   * License to use is granted if and only if this entire copyright notice
   * is included.
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
  */
// LAST MODIFIED: 07/07/03



//**************** General email verifier
// The script will validate any 2 or 3 letter suffix (e.g. "com", "uk") but not anything longer or shorter
// that is not listed in the Array below
var validEmailExt = new Array("info","aero","museum","name");

function validateGuestBook(thisForm){
//
 if(!checkText(thisForm.your_name,1,50)){
 	alert('Please enter your name (1 to 50 characters)');
    thisForm.your_name.focus(); 
    return false;
	}
//
 if (thisForm.company_name.value.length > 0) {
 if(!checkText(thisForm.company_name,1,50)){
 	alert('Company Name must be less than 50 characters');
    thisForm.company_name.focus(); 	
	return false;
	}
 }
//
//
 if (thisForm.phone.value.length > 0) {
 if(!checkText(thisForm.phone,10,10)){
 	alert('Please enter only area code and phone number - No Spaces');
    thisForm.phone.focus(); 	
	return false;
	}
 }
		
//
 if(!checkText(thisForm.email,1,75)){
 	alert('Please enter your E-mail address');
    thisForm.email.focus(); 	
	return false;
	}
//	
if(!checkIfEmail(thisForm.email)){
	alert('E-mail is Invalid');
    thisForm.email.focus(); 	
	return false;
	}

//
 if(!checkText(thisForm.email_confirm,1,75)){
 	alert('Please enter your E-mail Confirmation');
    thisForm.email_confirm.focus(); 		
	return false;
	}
//	
if(!checkIfEmail(thisForm.email_confirm)){
	alert('E-mail Confirm is Invalid');
    thisForm.email_confirm.focus(); 		
	return false;
	}

if(!checkSame(thisForm.email,thisForm.email_confirm)){
		alert('E-mail Confirm does not match E-Mail');
        thisForm.email_confirm.focus(); 			
		return false;
		}
//
 if(!checkText(thisForm.comments,1,250)){
 	alert('Please enter your Comments/Question (1 to 250 characters)');
    thisForm.comments.focus(); 	
    return false;
	}
//
//alert(thisForm.email + ' - ' + thisForm.privkey.value + ' - ' + thisForm.recaptcha_challenge_field.value + ' - ' + thisForm.recaptcha_response_field.value);
//return false;

 if(!checkCaptcha(thisForm.privkey,thisForm.recaptcha_challenge_field,thisForm.recaptcha_response_field, thisForm.serverAddr)){
 	alert('Words do not match');
    thisForm.recaptcha_response_field.focus(); 	
    return false;
	}	
//
// All validations passed - return to form	
return true;	
}

//
// Validate Contact Us Form
//
function validateContactUs(thisForm){
//
 if(!checkText(thisForm.your_name,1,50)){
 	alert('Please enter your name (1 to 50 characters)');
    thisForm.your_name.focus(); 
    return false;
	}
//
 if (thisForm.company_name.value.length > 0) {
 if(!checkText(thisForm.company_name,1,50)){
 	alert('Company Name must be less than 50 characters');
    thisForm.company_name.focus(); 	
	return false;
	}
 }
//
//
 if (thisForm.phone.value.length > 0) {
 if(!checkText(thisForm.phone,10,10)){
 	alert('Please enter only area code and phone number - No Spaces');
    thisForm.phone.focus(); 	
	return false;
	}
 }
		
//
 if(!checkText(thisForm.email,1,75)){
 	alert('Please enter your E-mail address');
    thisForm.email.focus(); 	
	return false;
	}
//	
if(!checkIfEmail(thisForm.email)){
	alert('E-mail is Invalid');
    thisForm.email.focus(); 	
	return false;
	}

//
 if(!checkText(thisForm.email_confirm,1,75)){
 	alert('Please enter your E-mail Confirmation');
    thisForm.email_confirm.focus(); 		
	return false;
	}
//	
if(!checkIfEmail(thisForm.email_confirm)){
	alert('E-mail Confirm is Invalid');
    thisForm.email_confirm.focus(); 		
	return false;
	}

if(!checkSame(thisForm.email,thisForm.email_confirm)){
		alert('E-mail Confirm does not match E-Mail');
        thisForm.email_confirm.focus(); 			
		return false;
		}
//
 if(!checkText(thisForm.comments,1,250)){
 	alert('Please enter your Comments/Question (1 to 250 characters)');
    thisForm.comments.focus(); 	
    return false;

	}
//
// All validations passed - return to form	
return true;	
}

//
//
function checkIfEmail(formEl){
	this.formEl = formEl;
	formElV=formEl.value
	
	var pat = new RegExp("^(\\w|-|\\w\\.\\w)+@(\\w|-|\\w\\.\\w)+\\.\\w{2,3}$") ;
	patmatch = pat.test(formElV);
	if(patmatch)
		{return true;}
	else
		{
		for(a=0;a<validEmailExt.length;a++)
			{
			pat.compile("^(\\w|-|\\w\\.\\w)+@(\\w|-|\\w\\.\\w)+\\."+ validEmailExt[a] +"$");
			patmatch = pat.test(formElV);
			if(patmatch)
				{return true;}
			else
				{continue;}
			}
		}
	return false;	
}


//************** Check if text field is filled. minL is the minimum length allowed. maxL is the maximum length allowed

function checkText(formEl,minL,maxL){
	this.formEl = formEl;
	formElV = formEl.value;
	minL = minL?minL:1;
	maxL = maxL?maxL:formElV.length;
	if(minL<=formElV.length && formElV.length<=maxL)
		{return true}
	else
		{return false}

}


//************* Checks if value is a valid number

function checkIsNumber(formEl,minS,maxS,integ){
	this.formEl = formEl;
	formElV = parseFloat(formEl.value);
	
	tmpMin = parseFloat(minS);
	tmpMax = parseFloat(maxS);
			
	if((!minS&&minS!=0)||tmpMin!=minS)
		{minS = -(1/0);}
	if((!maxS&&maxS!=0)||tmpMax!=maxS)
		{maxS = (1/0);}
	
	if(integ)
		{
		tmpNo = parseInt(formElV);
		if(tmpNo != formElV)
			{return false;}
		}
	else
		{
		tmpNo = parseFloat(formElV);
		if(tmpNo != formElV)
			{return false;}
		}
	
	if(Math.max(minS,formElV) != formElV)
		{return false;}
	else if(Math.min(maxS,formElV) != formElV)
		{return false;}
	else
		{return true;}
	
}


//************ Check if a radio button is checked within a group

function checkRadioChecked(formEl, position){
	this.formEl = formEl;
	
	if(!formEl.length)
		{
		return  formEl.checked;
		}
	
	for(i=0;i<formEl.length;i++)
		{
		 if(formEl[i].checked){return position?i:true;}
		 }
	return position?-1:false;
}

//************ Check for checked checkboxes and return number checked
//
// Start Sample check box validation code
//cChkd = checkCheckboxChecked(ctest); 
//if(cChkd){chbV='';
//for(a=0;a<cChkd.length;a++){
//	chbV+=ctest[cChkd[a]].value+' ';
//	}
//	alert('Checkboxes checked : '+chbV);
//	}
//	else
//	{
//		alert('Input Invalid');
//		}
// End sample check box validation code
//
function checkCheckboxChecked(formEl){
	this.formEl = formEl;
	
	if(!formEl.length)
		{
		return  formEl.checked;
		}
	
	checkCounter = new Array();
	for(i=0;i<formEl.length;i++)
		{
		 if(formEl[i].checked){checkCounter[checkCounter.length]=i}
		}
		
	if(checkCounter.length>0)
		{return checkCounter;}
	else
		{return null;}
}


//************ Check if an option is selected
// Start sample option validation code
// tsl=checkOptionSelected(sel2);
// if(tsl.length==2){
//	msV='';
//	for(a=0;a<tsl.length;a++){
//		msV+=sel2[tsl[a]].value+' ';
//		}
//		alert('Options selected : '+msV);
//		}
//		else
//		{
//			alert('Input Invalid');
//			}
// End sample option validation code
//
function checkOptionSelected(formEl){
	this.formEl = formEl;
	tmpSelObj = new Array();
	if(formEl.type.indexOf("multiple")!=-1)
		{tmpCounter = 0;
		for(a=0;a<formEl.length;a++)
			{
			if(formEl.options[a].selected)
				{
				tmpSelObj[tmpCounter]=a;
				tmpCounter++;
				}
			}
		if(tmpCounter)
			{return tmpSelObj}
		else
			{return false}
		}
	else if(formEl.selectedIndex>0)
		{
		tmpSelObj[0] = formEl.selectedIndex;
		return tmpSelObj;
		}
	else
		{return false}
}


//********** Check if entry contains between minL (min. length) and maxL (max. lenght) digits in it, total,
//********** disregarding '-','.','(' and any other symbols used when writing a telephone number. If the number
//********** must be exactly a certain length, only input minL requirements.  If both minL and maxL are left blank,
//********** the default length is exactly 11 digits (standard USA phone number with area code.

function checkPhone(formEl,minL,maxL){
	this.formEl = formEl;
	formElV = formEl.value;

	tmpMin = parseInt(minL);
	tmpMax = parseInt(maxL);
			
	if((!minL&&minL!=0)||isNaN(tmpMin))
		{tmpMin = 11;}
	if((!maxL&&maxL!=0)||isNaN(tmpMax))
		{tmpMax = tmpMin;}
	
	tempNo = formElV.split('');
	tempCounter=0;
	for(a=0;a<tempNo.length;a++)
		{
		if(tempNo[a].match(/\d/)){tempCounter++}
		}
	if(tempCounter<tmpMin||tempCounter>tmpMax){return false}
	else{return true}
}

//*********** Check if date

function checkDate(formEl){
	this.formEl = formEl;
	formElV = formEl.value;
	pat = /(\d{1,2})\D+(\d{1,2})\D+(\d{4}|\d{2})/;
	
	result = pat.exec(formElV);
	
	if(result)
		{
		if(result.length!=4)
			{return false;}
		
		if((result[1]>12)&&(result[2]>12))
			{return false;}
		else
			{return true;}
			
		}
	else
		{return false;}
}


//************ Check if value if valid name for a DOM complient element

function checkValElName(formEl){
	this.formEl = formEl;
	formElV=formEl.value
	var pat = new RegExp("^(_|[a-zA-Z])+\\\w*$") ;
	patmatch = pat.test(formElV);
	return patmatch;
}


//***********  Check for "sameness" of values passed.  If you wish you can pass two (2) form elements to the function to see if they are the same 
//***********  OR a value (directly or a variable) and a form element to see if that element's value is the same as that value
//***********  OR you can use this function for comparing two variables or whathave you.
//***********  WARNING: THIS WILL NOT WORK WITH PASSWORD FIELDS AS JAVASCRIPT CANNOT READ THE VALUE OF THESE


function checkSame(formEl1,formEl2){
	if(formEl1.value || formEl1.value=='' || formEl1.value ==0)
		{v1 = formEl1.value; }
	else
		{v1 = formEl1;}
		
		
	if(formEl2.value || formEl2.value=='' || formEl2.value ==0)
		{v2 = formEl2.value;}
	else
		{v2 = formEl2;}

	if(v1==v2)
		{return true;}
	else
		{return false;}
}





//*************** Check SSN

function checkSSN(formEl){
	this.formEl = formEl;
	formElV = formEl.value;
	ssn = (formElV.match(/\d{3}-\d{2}-\d{4}/))?1:0
	return ssn
}




//************* Rudimentary check of "URL"

function checkURL(formEl){
	this.formEl = formEl;
	tmpURL = formEl.value;
	if(tmpURL.match(/^(\w|-)\.\w{2}/))
		{return true}
	else
		{return false}
}



//************* Fill all empty fields with "N/A"

function fillAllElements(thisForm){
var dFt = thisForm;
for(a=0; a<dFt.length; a++)
	{
	if(dFt.elements[a].value=="")
		{dFt.elements[a].value="N/A";}
	}
}


//************ Simply a function that alerts what needs to be entered and then places focus on that element

function retFalse(say,what){
	alert("Please enter "+say);
	what.focus();
	return false;
}




//************ Determine is a passed "select" object contains the value passed and returns the indexes of those options. 

function optionValueExists(elem, value){
		if(arguments.length==0 || typeof value != 'string' || !elem.type.toString().match(/select/))
			{return false;}
		
		var tmpArr = new Array();
		
		for(a=0;a<elem.length;a++)
			{
			if(elem[a].value == value)
				{tmpArr[tmpArr.length] = a;}
			}
			
		return tmpArr.length==0?null:tmpArr;
		
	}
	
	
//************* Function is used to compare the number of arguements passed to a function with the number expected.
//************* If too few are passed, function return negative number. If too many, function returns positive number.
//************* If passed equal to expected, function returns zero.

function checkArgs(args){
		var passed = args.length;
		var needed = args.callee.length;
		return (passed - needed);
	}