// JavaScript 1.2 functions for use in HTML forms
// (C)2000-2002 Donald McIntosh
//
//	
// function valNumber(myNumber, min, max, msg)
//		Number string formed of characters 0-9, length between min and max
//
// function valFloat(myFloat, min, max, places)
//		Floating point number string formed of characters 0-9, pre-decimal
//		length between min and max, post-decimal length of places
//
// function sayRefresh()
//		Puts message in status bar telling user to click on Refresh Display
//		(submit) button when allfields input.
//
// function valString(string, min, max, msg)
//      Checks that a string of alphanumerics with length between min and max
//      is input
//
// function valDate(myDate)
//      Checks date in format dd/mm/yyyy
//
// function valMnthDay(month, day)
//		Check day number selected matches month
//

//var wide=1024;
//var high=768;
//if( window.outerHeight != high || window.outerWidth != wide ){
//	if(screen.availHeight < high || screen.availWidth < wide ){
//		window.resizeTo(screen.availWidth, screen.availHeight);
//	}else{
//		window.resizeTo(wide, high);
//	}
//}

var chkfeatures;	// used for popup chkfeatures.pl from vehicles.pl

function round(number,X) {
// rounds number to X decimal places, defaults to 2
	if(X == 0) return Math.round(number);
	X = (!X ? 2 : X);
	var result = Math.round(number*Math.pow(10,X))/Math.pow(10,X);
	return (result == Math.floor(result)) ? result + '.00' : (  (result*10 == Math.floor(result*10)) ? result + '0' : result);
}

function valNumber(myNumber, min, max, msg) {
	var validPattern = "^[0-9]{" + min + "," + max + "}$";
	var re = new RegExp(validPattern);

	if(myNumber.value == ""){
		return true;
	}
	if(! re.test(myNumber.value)){
		alert(msg);
		return false;
	}
    return true;
} 

function valFloat(myFloat, min, max, places, msg) {
	var validPattern
		= "^[-]{0,1}[0-9]{" + min + "," + max + "}[.]{0,1}[0-9]{0," + places + "}$";
	var re = new RegExp(validPattern);

	if(! re.test(myFloat.value)){
		alert(msg + " '" + myFloat.value +"'");
		myFloat.value="";
		myFloat.focus();
		myFloat.select();
		return false;
	}
	myFloat.value=round(myFloat.value, places);
    return true;
} 

function sayRefresh(){
	window.status="Click on Action Button after making all selections";
	return true;
}

function valString(mystring, min, max, msg) {
	var rawstring=mystring.value;
    if (rawstring.length > max) {
        return false;
    }
    if (rawstring.length < min) {
        alert(msg);
        return false;
    }
	var string=rawstring.replace(/\s/g, " ");
	// var string=rawstring;

    var valid="£_|\":@\/?;~!-+#*<> ,'&()[].%0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"

    for (var i=0; i<string.length; i++) {
		// alert(string.charAt(i));
        if (valid.indexOf(string.charAt(i)) < 0) {
            alert(msg + " ( " + string.charAt(i) + " character not allowed)" );
            return false;
        }
    }

    return true;
} 

function y2k(number) { return (number < 1000) ? number + 1900 : number; }

function isDate (day,month,year) {
// checks if date passed is valid
// will accept dates in following format:
// isDate(dd,mm,ccyy), or
// isDate(dd,mm) - which defaults to the current year, or
// isDate(dd) - which defaults to the current month and year.
// Note, if passed the month must be between 1 and 12, and the
// year in ccyy format.

    var today = new Date();
    year = ((!year) ? y2k(today.getYear()):year);
    month = ((!month) ? today.getMonth():month-1);
    if (!day) return false
    var test = new Date(year,month,day);
    if ( (y2k(test.getYear()) == year) &&
         (month == test.getMonth()) &&
         (day == test.getDate()) )
        return true;
    else
        return false
}

function valDate(myDate) {
// checks date in format dd/mm/yyyy

	var string = myDate.value.replace(/ */g,'');
	myDate.value = string;
	if(string.length == 0){
		return true;
	}
	re = /^[0-9d][0-9d]\/[0-9m][0-9m]\/[0-9y][0-9y][0-9y][0-9y]$/;
	if(! re.test(string)){
		alert("Invalid Date (enter as dd/mm/yyyy)");
		myDate.focus();
		myDate.select();
		return false;
	}
	re = /^[d][d]\/[m][m]\/[y][y][y][y]$/;
	if(re.test(string)){
		return true;
	}
	re = /^[0-9][0-9]\/[0-9][0-9]\/[0-9][0-9][0-9][0-9]$/;
	if(! re.test(string)){
		alert("Invalid Date (enter as dd/mm/yyyy)");
		myDate.focus();
		myDate.select();
		return false;
	}
	var day=string.substr(0,2);
	var month=string.substr(3,2);
	var year=string.substr(6,4);
	if(!isDate(day, month, year)){
		alert("Invalid Date (enter as dd/mm/yyyy)");
		myDate.focus();
		myDate.select();
		return false;
	}
	return true;
}

// focus on first empy cell
function focus_first_empty(f){
	for( var i = 0; i < f.length; i++){
		var e = f.elements[i];
		// alert("element " + i + " is " + e.name);
		if( (e.type == "text") && ((e.value == null) || (e.value == "")) ){
			e.focus();
			return true;
		}
	}
	return false;
}

function valMnthDay(month, day) {
	if((month.value == 9) && (day.value > 30)){day.value=30; alert("Only 30 days in September - amended day to 30"); return true}
	if((month.value == 4) && (day.value > 30)){day.value=30; alert("Only 30 days in April - amended day to 30"); return true}
	if((month.value == 6) && (day.value > 30)){day.value=30; alert("Only 30 days in June - amended day to 30"); return true}
	if((month.value == 11) && (day.value > 30)){day.value=30; alert("Only 30 days in November - amended day to 30"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in January - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in March - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in May - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in July - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in August - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in October - amended day to 31"); return true}
	if((month.value == 1) && (day.value > 31)){day.value=31; alert("Only 31 days in December - amended day to 31"); return true}
	if((month.value == 2) && (day.value > 29)){ day.value=28; alert("Only 28(29) days in February - amended day to 28"); return true}
	return true;
}

function get_models(make){
	/*
	alert('get_models '+make);
	// delete all existing variants
	while(document.vehicles.v_variant.options.length){
		document.vehicles.v_variant.options.remove(0);
	}
	// add "select one"
	var newElem=document.createElement("OPTION");
	newElem.text='Choose Model First';
	newElem.value=0;
	document.vehicles.v_variant.options.add(newElem);
	*/

	// delete all existing models
	while(document.vehicles.v_model.options.length){
		document.vehicles.v_model.options.remove(0);
	}
	var newElem=document.createElement("OPTION");
	newElem.text='Choose Model';
	newElem.value=0;
	document.vehicles.v_model.options.add(newElem);

	var models = new Array();
	var ctr=0;
	for(loop=0; loop<abi_code.length; loop++){
		// alert('Loop: ' + loop + '; Code: ' + abi_code[loop] + ' Make: ' + make + '; abi_make: ' + abi_make[abi_code[loop]]);
		if(make == abi_make[abi_code[loop]]){
			models[ctr]=abi_model[abi_code[loop]];
			ctr++;
		}
	}
	models.sort();	// sort into (alpha) order
	var old='';
	for(loop=0; loop<models.length; loop++){
		if(old != models[loop]){
			var newElem=document.createElement("OPTION");
			newElem.text=models[loop];
			newElem.value=models[loop];
			document.vehicles.v_model.options.add(newElem);
		}
		old=models[loop];
	}
	// alert('Finished: get_models '+make);
	return true;
}

function get_variants(make, model){
	// alert('get_variants');
	// delete all existing
	while(document.vehicles.v_variant.options.length){
		document.vehicles.v_variant.options.remove(0);
	}
	var newElem=document.createElement("OPTION");
	newElem.text='Choose Variant';
	newElem.value=0;
	document.vehicles.v_variant.options.add(newElem);

	var variants = new Array();
	var codes = new Array();
	var ctr=0;
	for(loop=0; loop<abi_code.length; loop++){
		if((make == abi_make[abi_code[loop]]) && (model == abi_model[abi_code[loop]])){
			variants[ctr]=abi_variant[abi_code[loop]];
			codes[ctr]=abi_code[loop];
			ctr++;
		}
	}
	// variants.sort();	// sort into (alpha) order
	var old='';
	for(loop=0; loop<variants.length; loop++){
		if(old != variants[loop]){
			var newElem=document.createElement("OPTION");
			newElem.text=variants[loop];
			newElem.value=codes[loop];
			document.vehicles.v_variant.options.add(newElem);
			// alert('Code: ' + codes[loop] + ' Label: ' + variants[loop]);
		}
		old=variants[loop];
	}
	return true;
}

function split_variant(variant){
	var string=variant;
	if(string == 0){	// user re-selects prompt option
		return true;
	}
	// alert('Code is ' + string + ' = ' + abi_variant[string]);
	// first split between variant name & specification data
	var str=abi_variant[string].split('{');
	// want second part i.e. what came AFTER {, hence subscript [1]
	var fields=str[1].split(',');

	// split into fields
	var cc=fields[0].split(' ');
	document.forms[0].v_engine.value=cc[0];

	if(fields[3].search(/PETROL/i)>=0){
		// unleaded PETROL
		document.forms[0].v_fuel.value='U';
	}else{
		document.forms[0].v_fuel.value='D';
	}

	var doors=fields[5].split(' ');
	document.forms[0].v_doors.value=doors[1];

	if(fields[4].search(/ESTATE/i)>=0){
		document.forms[0].v_form.value='E';
	}else{
		if(document.forms[0].v_doors.value==4){
			document.forms[0].v_form.value='S';
		}else{
			document.forms[0].v_form.value='H';
		}
	}

	var grp=fields[6].split(' ');
	document.forms[0].v_ins_group.value=grp[2];

	// default number of seats to 5
	document.forms[0].v_seats.value='5';
	document.forms[0].v_seats.select();
	document.forms[0].v_seats.focus();

	return true;
}

function get_vehicle_opts(make, model, variant){
	get_models(make);
	// get_variants(make, model);
	document.forms[0].v_model.value=model;
	// document.forms[0].v_variant.value=variant;
	return true;
}

function fasttrack_vehicle( f, registration, reg_year, variant, body, seats, colour, finish, miles, owners, drive, tradesave, sell, fuel, doors, engine, ins_grp ){
	var space=0;
	for( var i = 0; i < f.length; i++){
		var e = f.elements[i];
		if( (e.type == "text") && (e.name.substr(0,3) == "reg") && ((e.value == null) || (e.value == "")) ){
			e.value=registration.value;
			registration.value="";
			e=f.elements[i+1];
			e.value=reg_year.value;
			reg_year.value="";
			e=f.elements[i+2];
			e.value=variant.value;
			e=f.elements[i+3];
			e.value=body.value;
			body.value="";
			e=f.elements[i+4];
			e.value=seats.value;
			seats.value="";
			e=f.elements[i+5];
			e.value=colour.value;
			colour.value='U';
			e=f.elements[i+6];
			e.value=finish.value;
			finish.value='P';
			e=f.elements[i+7];
			e.value=miles.value;
			miles.value="";
			e=f.elements[i+8];
			e.value=owners.value;
			owners.value="";
			e=f.elements[i+9];
			e.value=drive.value;
			drive.value="";
			e=f.elements[i+10];
			if( tradesave.checked ){
				e.value='Y';
			}else{
				e.value='N';
			}
			tradesave.checked=false;
			e=f.elements[i+11];
			e.value=sell.value;
			sell.value="";
			e=f.elements[i+12];
			e.value=fuel.value;
			fuel.value="";
			e=f.elements[i+13];
			e.value=doors.value;
			doors.value="";
			e=f.elements[i+14];
			e.value=engine.value;
			engine.value="";
			e=f.elements[i+15];
			e.value=ins_grp.value;
			ins_grp.value="";
			space=1;
			break;
		}
	}
	if(space == 0){
		alert('No space for more vehicles - save these first!');
	}
	return false;
}	

function quote_up(){
	document.quote.vat.value = 
		round(( ((
		( document.quote.sell.value - 0 ) +
		( document.quote.security.value - 0 ) +
		( document.quote.luggage.value - 0 ) +
		( document.quote.boots.value - 0 ) +
		( document.quote.leather.value - 0 ) +
		( document.quote.clothing.value - 0 ) +
		( document.quote.fitting.value - 0 ) +
		( document.quote.extra1_value.value - 0 )
		) / 1.175 ) * 17.5 ) / 100);

	document.quote.total.value = 
		round(
			( document.quote.sell.value - 0 ) +
			( document.quote.security.value - 0 ) +
			( document.quote.luggage.value - 0 ) +
			( document.quote.boots.value - 0 ) +
			( document.quote.leather.value - 0 ) +
			( document.quote.clothing.value - 0 ) +
			( document.quote.fitting.value - 0 ) +
			( document.quote.extra1_value.value - 0 ) +
			// ( document.quote.vat.value - 0 ) +
			( document.quote.tax.value - 0 ) +
			( document.quote.warranty.value - 0 ) +
			( document.quote.helmets.value - 0 ) +
			( document.quote.insurance.value - 0 ) +
			( document.quote.extra2_value.value - 0));
	document.quote.subtotal1.value =
		round(
		( document.quote.total.value - 0) -
		( document.quote.tradein.value - 0));
	document.quote.subtotal2.value =
		round(
		( document.quote.subtotal1.value - 0) +
		( document.quote.hp_balance.value - 0));
	document.quote.final_balance.value =
		round(
		( document.quote.subtotal2.value - 0) -
		( document.quote.deposit.value - 0));
}

function focusElement(formName, elemName){
	var elem=document.forms[formName].elements[elemName];
	elem.focus();
	elem.select();
}
function focusOnly(formName, elemName){
	var elem=document.forms[formName].elements[elemName];
	elem.focus();
}

function isNotEmpty(elem, msg){
	var str=elem.value;
	if(str.length == 0){
		alert(msg);
		setTimeout("focusElement('" + elem.form.name + "', '" + elem.name + "')", 0);
		return false;
	}else{
		return true;
	}
}

function isChosen(select, msg){
	if(select.selectedIndex == 0){
		alert(msg);
		setTimeout("focusOnly('" + select.form.name + "', '" + select.name + "')", 0);
		return false;
	}else{
		return true;
	}
}

function validateOfferbikes(form){
	if(isChosen(form.ob_mk_id, "Please select a Make")){
	if(isNotEmpty(form.ob_model, "Please enter the Model")){
		if(isNotEmpty(form.ob_engine, "Please enter the Engine(cc)")){
			if(isNotEmpty(form.ob_vrm, "Please enter the Registration")){
			if(isNotEmpty(form.ob_reg_year, "Please enter the Year Registered")){
	if(isChosen(form.ob_owners, "Please select number of Owners")){
				if(isNotEmpty(form.ob_offer_price, "Please enter the Price Wanted for this bike")){
				if(isChosen(form.ob_cat_id, "Please enter the Category")){
				if(isChosen(form.ob_his_id, "Please enter level of Service History")){
				if(isNotEmpty(form.ob_mileage, "Please enter the Mileage")){
	if(isChosen(form.ob_condition, "Please select Condition")){
			return true;
				}
				}
				}
				}
				}
				}
			}
		}
	}
	}
	}
	return false;
}

function balance(frm){
    var total=0.0;

    total+=frm.inv_sellprice.value*1.0;
    total+=frm.inv_extras.value*1.0;
    /*
	total+=frm.inv_warranty.value*1.0;
    total+=frm.inv_rfl.value*1.0;
    total-=frm.inv_allow.value*1.0;
    total-=frm.inv_deposit.value*1.0;
    total+=frm.inv_pxowed.value*1.0;
	*/

    frm.inv_netdue.value=round(total, 2);
}