// JavaScript Document
function _validate_form(){	// TEST
	return false;
}

function validate_form(s)
{
	// s : section
	//if (s>0) alert(s);  //TEST
	
	// z : fields to validate (element id)
	var z;
	if(s == 1) z = 21; // 16
	if(s == 2) z = 83; // 68
	if(s == 3) z = 113; //94; // 80   +16
	if(s == 4) z = 126; // 100; // 86  +23
	if(s == 5) z = 9999;
	
	// set page form element
	var form = document.detailForm;
	// set flag to TRUE: default all fields correct
	var flag = true;
	// set element flag to -1: default (field not required validation)
	var ef = -1;	
	// check each field in the form
	
	// set special conditions for optional form sections
	applicant2 = false;	// default
	
	// initial check on T&C's
	if(s==5) {
		if(!(document.getElementById('fld_read_privacy').checked && document.getElementById('fld_application_only').checked && document.getElementById('fld_correct_information').checked)) {
			flag = false;
			alert("Before submitting your application to MONEY3 please make sure that...   \n\n1)  You have read the 'Terms and Conditions'\n2)  This is an application only\n3)  All information provided is true and correct."); 
		}
	
		if(document.getElementById('dec').style.display=="none") { // decleration not completed
			flag = false;
			//alert("form incomplete");
		}
	}
	
	// verify all other fields
	if(flag) {
		for(i=0; i<form.elements.length && i<z; i++) {
			
			//if(form.elements[i].id=="isResident") alert(i + " :: " + form.elements[i].id); //TEST
			
			ef=0; // presumed valid
			
			// special conditions (avoid validation for fields not required)
			validate_field = true;
			if(!applicant2 && form.elements[i].id.indexOf('per2_')>0) validate_field = false;
			
			// validate both residential and employment fields as one must be selected
//			if(form.elements[i].id=='isResident' && form.elements[(i+1)].id=='isResident')
//				if(form.elements[i].checked==false && form.elements[(i+1)].checked==false) flag=false;
//
//			if(form.elements[i].id=='isEmployed' && form.elements[(i+1)].id=='isEmployed')
//				if(form.elements[i].checked==false && form.elements[(i+1)].checked==false) flag=false;

			if(validate_field) {
				// check any field listed
				validate_type  = form.elements[i].id.substr(4,3);
				switch (validate_type) {
					// vt_ : verify text
					case 'vt_':
						//alert(form.elements[i].id);
						if(trim(form.elements[i].value)=='') ef=1;
						if(ef==0 && form.elements[i].id=='fld_vt_email_address') 
							if(validate_email(trim(form.elements[i].value))==false) ef=1;
						break;
		
					// vgt : verify group text (at least one field must be populated
					// NOTE : elements must be sequencial in form for this to work AND 2 groups should not follow one another
					case 'vgt':
						i2 = i;	// mark the start of the validation
						cv = trim(form.elements[i].value);
						do {
							i++;
							cv = cv + trim(form.elements[i].value);
						}
						while(form.elements[(i+1)].id.substr(4,3)=='vgt')
						if(cv=='') ef=2;
						
						for(x=i2; x<=i; x++) {
							if(ef==2) form.elements[x].style.backgroundColor = '#FF9999';
							else form.elements[x].style.backgroundColor = '#FFFFFF';
						}
						break;
		
					// vo_ : verify option (select)
					case 'vo_':
						//alert(form.elements[i].id);
						if(trim(form.elements[i].value)=='') ef=1;
						break;
		
					// vgo : verify group option (select)
					case 'vgo':
						i2 = i;	// mark the start of the validation
						cv = form.elements[i].checked;
						do {
							i++;
							if(form.elements[i].checked==true) cv = true;
						}
						while(form.elements[(i+1)].id.substr(4,3)=='vgo')
						if(cv==false) ef=1;
						break;
		
					// vr_ : verify radio option
					// NOTE : elements must be sequencial in form for this to work
					case 'vr_':
						cv = "";
						if(form.elements[i].checked) cv = form.elements[i].value;
						do {
							i++; // at least 2 elements in a radio group
							if(form.elements[i].checked) cv = form.elements[i].value;
						}
						while (form.elements[i].id == form.elements[(i+1)].id)
						if(cv.length==0) ef=2;
						
						// special condition (second applicant only)
						// NOTE :  this must occur before the fields implicated
						if(form.elements[i].id=='fld_vr_loan_application' && cv=='joint') applicant2 = true;
						break;
		
					default:
						// reset element flag (non-required element)
						var ef = -1;
						break;
				}

				if(ef==1 || ef==2) {	// error on field
					if(ef==1) form.elements[i].style.backgroundColor = '#FF9999';
					flag = false;	// error on form
				} else if(ef==0) {	// reset field if validated
					form.elements[i].style.backgroundColor = '#FFFFFF';
				}
			}
		}
		
		if(!flag) {	
			alert("Invalid information entered, please complete the highlighted fields (*)."); 
		} else {
			update_form(s);
//			if(s==5) { // if the fields remain disabled they will not pass through with the form
//				document.getElementById('fld_employed').disabled = false;
//				document.getElementById('fld_permanent_resident').disabled = false;
//			}
		}
	}
	
	return flag;
}

function validate_email(field)
{
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if(field=='' || !field.match(re)) {
		alert("Invalid email address entered, please enter a valid email address.");
		return false;
	} else {
		return true;
	}
}

function validateForm()
{
	// set page form element
	var form = document.web_Money3_form;
	// set flag to TRUE: default all fields correct
	var flag = true;
	// set element flag to -1: default (field not required validation)
	var ef = -1;	
	// check each field in the form
	for(i=0; i<form.elements.length; i++) {
		
		ef=0; // presumed valid
		
		// check any field listed
		switch (form.elements[i].id) {
			case 'firstname':
			case 'surname':
			case 'street':
			case 'suburb':
			case 'state':
			case 'pcode':
			case 'country':
			case 'prefContact':
			case 'comments':
			case 'outcome':
			case 'branch':
			case 'selectedbranch':
				if(trim(form.elements[i].value)=='') ef=1;
				break;

			case 'email':
				var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
				if(trim(form.elements[i].value)=='' || !form.elements[i].value.match(re)) ef=1;
				break;

			// radio buttons must be grouped
			case 'feedback':
			case 'priorComplaint':
				n = form.elements[i].id
				cv = form.elements[i].checked;
				do {
					i++;
					if(form.elements[i].checked==true) cv = true;
				}
				while(form.elements[(i+1)].id == n)
				if(cv==false) ef=2; // radio button error
				
				break;
				
			default:
				// reset element flag (non-required element)
				var ef = -1;
				break;
		}

		if(ef==1 || ef==2) { // error on field
			if(ef==1) form.elements[i].style.backgroundColor = '#DDDDDD';
			flag = false;	 // error on form
		} else if(ef==0) {	 // reset field if validated
			form.elements[i].style.backgroundColor = '#FFFFFF';
		}
	}
	
	if(!flag) 
	{	alert("Invalid information entered, please complete the highlighted fields (*)."); }
		
	return flag;
}