/*
  -------------------------------------------------------------------------
	                    JavaScript Form Validator 
                                Version 2.0.2
	Copyright 2003 JavaScript-coder.com. All rights reserved.
	You use this script in your Web pages, provided these opening credit
    lines are kept intact.
	The Form validation script is distributed free from JavaScript-Coder.com

	You may please add a link to JavaScript-Coder.com, 
	making it easy for others to find this script.
	Checkout the Give a link and Get a link page:
	http://www.javascript-coder.com/links/how-to-link.php

    You may not reprint or redistribute this code without permission from 
    JavaScript-Coder.com.
	
	JavaScript Coder
	It precisely codes what you imagine!
	Grab your copy here:
		http://www.javascript-coder.com/
    -------------------------------------------------------------------------  
*/

//Modified version
//Frank Gasking
//17th March 2005

//  This version has had some additional functionality built into it
//  As the way the program allows you to add your own functions sucks.
//  They had to be physically added in the CASE/SELECT part of the program.  These are named as additions.
//  Alpha has been modified too, due to it not accepting ,.:;_ and spaces


var check = "false";

function Validator(frmname)
{
  this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
	  alert("BUG: couldnot get Form object "+frmname);
		return;
	}
	if(this.formobj.onsubmit)
	{
	 this.formobj.old_onsubmit = this.formobj.onsubmit;
	 this.formobj.onsubmit=null;
	}
	else
	{
	 this.formobj.old_onsubmit = null;
	}
	this.formobj.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction=set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname)
{
  this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
	for(var itr=0;itr < this.formobj.elements.length;itr++)
	{
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler()
{
	for(var itr=0;itr < this.elements.length;itr++)
	{
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate())
		{
		  return false;
		}
	}
	if(this.addnlvalidation)
	{
	  str =" var ret = "+this.addnlvalidation+"()";
	  eval(str);
    if(!ret) return ret;
	}
	return true;
}
function add_validation(itemname,descriptor,errstr)
{
  	if(!this.formobj)
		{
		  alert("BUG: the form object is not set properly");
			return;
		}//if
		var itemobj = this.formobj[itemname];
 	 if(!itemobj)
		{
		  alert("BUG: Could not get the input object named: "+itemname);
			return;
		}
		if(!itemobj.validationset)
		{
		  itemobj.validationset = new ValidationSet(itemobj);
		}
  	itemobj.validationset.add(descriptor,errstr);
}

function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
}

function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    if(check == "true"){
    return false;
    }
    else{
    this.itemobj.focus();
    return false;
    }
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]= 
	  new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
	 {
	   if(!this.vSet[itr].validate())
		 {
		   return false;
		 }
	 }
	 return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
	{
	  return true;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function V2validateData(strValidateStr,objValue,strError) 
{ 
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    switch(command) 
    { 
        case "req": 
        case "required": 
         { 
           if(eval(objValue.value.length) == 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              alert(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z ,;:_./]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 
	case "alnumhyphen":
			{
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}
        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               alert(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	              if(!strError || strError.length ==0) 
	              { 
	                strError = objValue.name+": Invalid characters found "; 
	              }//if                                                               
	              alert(strError); 
	              return false;                   
	            }//if 
			}
           break; 
         }//case regexp 
        case "gendercheck":
         {	
         	//  New addition
         	check = "false";
		if (childSurvey.gender[0].checked || childSurvey.gender[1].checked){                                                                     
             	} 
             	else{   alert(strError); 
             		check = "true";
             		childSurvey.gender[0].focus();
              		return false;}  
             	break;         
         } 
        case "responsibilitycheck":
         {	
         	//  New addition
         	check = "false";
		if (childSurvey.responsibility[0].checked || childSurvey.responsibility[1].checked){                                                                     
             	} 
             	else{   alert(strError); 
             		check = "true";
             		childSurvey.responsibility[0].focus();
              		return false;}  
             	break;         
         }  
        case "coursestylecheck":
         {	
         	//  New addition
         	check = "false";
		if (childSurvey.courseStyle[0].checked || childSurvey.courseStyle[1].checked){                                                                     
             	} 
             	else{   alert(strError); 
             		check = "true";
             		childSurvey.courseStyle[0].focus();
              		return false;}  
             	break;         
         }  
        case "crechecheck":
         {	
         	//  New addition
         	check = "false";
		if (childSurvey.crecheNeeds[0].checked || childSurvey.crecheNeeds[1].checked){                                                                     
             	} 
             	else{   alert(strError); 
             		check = "true";
             		childSurvey.crecheNeeds[0].focus();
              		return false;}  
             	break;         
         }
        case "affordcheck":
         {	
         	//  New addition
         	check = "false";
		if (childSurvey.affordable[0].checked || childSurvey.affordable[1].checked){                                                                     
             	} 
             	else{   alert(strError); 
             		check = "true";
             		childSurvey.affordable[0].focus();
              		return false;}  
             	break;         
         }       
         case "validafford":
         {
         	//  New addition
         	check="false";
         		if (childSurvey.affordable[1].checked){
         			if (childSurvey.afford.value == childSurvey.pay.value){
         				check="true";
         				alert("You have selected the same amount you are already paying. (Q17)");
         				childSurvey.afford.focus();
         				return false;
         			}
         			else if (childSurvey.afford.value > childSurvey.pay.value){
         				check="true";
         				alert("You have selected a higher amount you are already paying. (Q17)");
         				childSurvey.afford.focus();
         				return false;
         			}
         		}
         	break;         	
         }
         case "checkfilled":
         {
         	//  New addition
 		var problem = false;
		//Check to ensure that children ages are properly selected
		if (childSurvey.noChildren.selectedIndex >= 1)
		{ if (childSurvey.ageChild1.value == ""){
		problem = true;}
		  frmvalidator.addValidation("ageChild1","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 1");	
		  frmvalidator.addValidation("ageChild1","gt=-1","Minimum age is 0yrs.  Q10 - Child 1");	
		  frmvalidator.addValidation("ageChild1","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 1");	
		}
		if (childSurvey.noChildren.selectedIndex >= 2)
		{ if (childSurvey.ageChild2.value == ""){
		problem = true;} 
		  frmvalidator.addValidation("ageChild2","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 2");	
		  frmvalidator.addValidation("ageChild2","gt=-1","Minimum age is 0yrs.  Q10 - Child 2");	
		  frmvalidator.addValidation("ageChild2","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 2");				
		}
		if (childSurvey.noChildren.selectedIndex >= 3)
		{ if (childSurvey.ageChild3.value == ""){
		problem = true;} 
		  frmvalidator.addValidation("ageChild3","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 3");	
		  frmvalidator.addValidation("ageChild3","gt=-1","Minimum age is 0yrs.  Q10 - Child 3");	
		  frmvalidator.addValidation("ageChild3","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 3");				
		}
		if (childSurvey.noChildren.selectedIndex >= 4)
		{ if (childSurvey.ageChild4.value == ""){
		problem = true;} 
		  frmvalidator.addValidation("ageChild4","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 4");	
		  frmvalidator.addValidation("ageChild4","gt=-1","Minimum age is 0yrs.  Q10 - Child 4");	
		  frmvalidator.addValidation("ageChild4","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 4");				 
		}
		if (childSurvey.noChildren.selectedIndex >= 5)
		{ if (childSurvey.ageChild5.value == ""){
		problem = true;} 
		  frmvalidator.addValidation("ageChild5","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 5");	
		  frmvalidator.addValidation("ageChild5","gt=-1","Minimum age is 0yrs.  Q10 - Child 5");	
		  frmvalidator.addValidation("ageChild5","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 5");					 
		}	
		if (childSurvey.noChildren.selectedIndex >= 6)
		{ if (childSurvey.ageChild6.value == ""){
		problem = true;} 		
		  frmvalidator.addValidation("ageChild6","num","Only numbers (whole) allowed.  Enter a year number only for Q10 - Child 6");	
		  frmvalidator.addValidation("ageChild6","gt=-1","Minimum age is 0yrs.  Q10 - Child 6");	
		  frmvalidator.addValidation("ageChild6","lt=17","Maximum age is 16yrs for children who require childcare provision.  Q10 - Child 6");				
		}
		if (problem == true){
			check = "true";
			alert("Please ensure you have recorded your child's/children's age/s.");
			childSurvey.ageChild1.focus();
			return false;
		}  
		break;
         }
         case "optionchange":
         {
         	//  New addition
        	 check = "false";
			if (childSurvey.childProv11.checked){
				if(childSurvey.childProvOther.value == ""){
					alert("You have checked OTHER for Question 11, so you must specify in the textbox provided");
					check = "true";
					childSurvey.childProvOther.focus();
					return false;
				}
			}
			//Now check if the other box is ticked and has text.
			if (childSurvey.childDif5.checked){
				if(childSurvey.childDifOther.value == ""){
					alert("You have checked OTHER for Question 12, so you must specify in the textbox provided");
					check = "true";
					childSurvey.childDifOther.focus();
					return false;
				}		
			}
		break;
         
         }
        case "checkreal":
         {
         	//  New addition
         	check="false";
         		if (childSurvey.affordable[1].checked){
         			if (childSurvey.afford.selectedIndex == 0){
         				check="true";
         				alert("As you clicked NO to Q16, you must select a realistic amount for Q17.");
         				childSurvey.afford.focus();
         				return false;
         			}
         		}
         	break;
         } 
        case "dontselect": 
         { 
            //  New addition 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 


         
    }//switch 
    return true; 
}
/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/