// form validation function index //

function validate_home(form) {
  
  
  var loan_amount	=	form.loan_amount.value;
  var first_name	=	form.first_name.value;
  var last_name		=	form.last_name.value;
  

  if(loan_amount == "") {
    //inlineMsg('email','You must enter your Email.',2);
	alert('Please enter a loan amount.');
	form.loan_amount.focus();
    return false;
  }else if (isNaN(parseInt(loan_amount))) {
	alert('The loan amount contains illegal characters. Please enter only numbers and a decimal point if necessary.');
	form.loan_amount.focus();
    return false;	  
  }

  if(first_name == "") {
	alert('Please enter your first name.');
	form.first_name.focus();
    return false;
  }

  if(last_name == "") {
	alert('Please enter your last name.');
	form.last_name.focus();
    return false;
  }

  return true;
}


//Form validation Apply page
function validate_apply(form) {
  
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var postcodeRegex = /[A-Z]{1,2}[0-9]{1,2} [0-9][A-Z]{2}/;
  
  var loan_amount 					= form.loan_amount.value;
  var first_name 					= form.first_name.value;
  var last_name 					= form.last_name.value;
  var telephone_std 				= form.telephone_std.value;
  var telephone 					= form.telephone.value;
  var alternative_telephone_std 	= form.alternative_telephone_std.value;
  var alternative_telephone 		= form.alternative_telephone.value;
  var email 						= form.email.value;
  var address1 						= form.address1.value;
  var town_city 					= form.town_city.value;
  var postcode 						= form.postcode.value;
  var property_value 				= form.propertyValue.value;
  var mortgage_balance 				= form.mortgageBalance.value;
  var heard_about_us 				= form.heard_about_us.value;
  
  if(loan_amount == "") {
	alert('Please enter loan amount.');
    form.loan_amount.focus();
	return false;
  }else if (isNaN(parseInt(loan_amount))) {
	alert('The loan amount contains illegal characters. Please enter only numbers and a decimal point if necessary.');
	form.loan_amount.focus();
    return false;	  
  }
  
  if(first_name == "") {
	alert('Please enter your first name.');
	form.first_name.focus();
    return false;
  }
	
  if(last_name == "") {
	alert('Please enter your last name.');
	form.last_name.focus();
    return false;
  }
  
  if(telephone_std == "") {
	alert('Please enter your home telephone area code.');
	form.telephone_std.focus();
    return false;
  }else if (isNaN(parseInt(telephone_std))) {
	alert('The home telephone area code contains illegal characters. Please enter only numbers.');
	form.telephone_std.focus();
    return false;	  
  }
  
  if(telephone == "") {
	alert('Please enter your home telephone number.');
	form.telephone.focus();
    return false;
  }else if (isNaN(parseInt(telephone))) {
	alert('The home telephone number contains illegal characters. Please enter only numbers.');
	form.telephone.focus();
    return false;	  
  }
  
  if(alternative_telephone_std == "") {
	alert('Please enter your mobile/work area code.');
	form.alternative_telephone_std.focus();
    return false;
  }else if (isNaN(parseInt(alternative_telephone_std))) {
	alert('The mobile/work area code contains illegal characters. Please enter only numbers.');
	form.alternative_telephone_std.focus();
    return false;	  
  }
  
  if(alternative_telephone == "") {
	alert('Please enter your mobile/work telephone number.');
	form.alternative_telephone.focus();
    return false;
  }else if (isNaN(parseInt(alternative_telephone))) {
	alert('The mobile/work telephone number contains illegal characters. Please enter only numbers.');
	form.alternative_telephone.focus();
    return false;	  
  }
  
  if(email == "") {
    alert("Please enter your email address.");
    form.email.focus();
	return false;
  }else if(!email.match(emailRegex)) {
   alert("You have entered an invalid Email.");
    form.email.focus();
	return false;
  }
  
  if(address1 == "") {
    alert("Please enter your address.");
    form.address1.focus();
	return false;
  }
  
  if(town_city == "") {
    alert("Please enter your town.");
    form.town_city.focus();
	return false;
  }
  
  if(postcode == "") {
    alert("Please enter your postcode.");
    form.postcode.focus();
	return false;
  }else if(!postcode.match(postcodeRegex)) {
   alert("You have entered an invalid UK Postal Code.");
    form.postcode.focus();
	return false;
  }
  
  if(propertyValue == "") {
    alert("Please enter your Property Value.");
    form.propertyValue.focus();
	return false;
  }
  
  if(mortgageBalance == "") {
    alert("Please enter your Mortgage Balance.");
    form.mortgageBalance.focus();
	return false;
  }
  
  if(heard_about_us == "-1") {
    alert("Please choose where you heard us from.");
    form.heard_about_us.focus();
	return false;
  }else if (heard_about_us == "") {
    alert("Please choose where you heard us from.");
    form.heard_about_us.focus();
	return false;
  }

  return true;
}
//Form validation info page

// form validation function //
function validate_info(form) {

  var province = form.province.value;
  var gender = form.gender.value;
  var dobMonth = form.dobMonth.value;
  var dobDay = form.dobDay.value;
  var dobYear = form.dobYear.value;
  var race = form.race.value;
  var language = form.language.value;
  var occupation = form.occupation.value;

  var nameRegex = /^[a-zA-Z]+(([\'\,\.\- ][a-zA-Z ])?[a-zA-Z]*)*$/;
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  var messageRegex = new RegExp(/<\/?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)\/?>/gim);


  if(province == "") {
    inlineMsg('province','You must select your a Province.',2);
    return false;
  }

  if(gender == "") {
    inlineMsg('gender','You must select your a Gender.',2);
    return false;
  }

  if(dobMonth == "") {
    inlineMsg('dobMonth','Date of birth Month required.',2);
    return false;
  }
  
  if(dobDay == "") {
    inlineMsg('dobDay','Date of birth Day required.',2);
    return false;
  }
  
  if(dobYear == "") {
    inlineMsg('dobYear','Date of birth Year required.',2);
    return false;
  }
  
  if(race == "") {
    inlineMsg('race','Your Race is required.',2);
    return false;
  }
  
  if(language == "") {
    inlineMsg('language','Your Language is required.',2);
    return false;
  }
  
  if(occupation == "") {
    inlineMsg('occupation','Your Occupation is required.',2);
    return false;
  }

  return true;
}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 3;
var MSGOFFSET = 10;
var MSGHIDE = 1;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
  arrow = new Image(7,80); 
  arrow.src = "msg_arrow.gif"; 
}