// form validation function //
function validate(form) {
  var cashDownpayment = form.cashDownpayment.value;
  var firstName = form.firstName.value;
  var lastName = form.lastName.value;
  var dateOfBirth = form.dateOfBirth.value;
  var maritalStatus = form.maritalStatus.value;
  var address = form.address.value;
  var city = form.city.value;
  var stateprov = form.stateprov.value;
  var country = form.country.value;
  var zippost = form.zippost.value;
  var yearsThere = form.yearsThere.value;
  var residentialStatus = form.residentialStatus.value;
  var currentPayment = form.currentPayment.value;
  var currentCreditor = form.currentCreditor.value;
  var mortgageBalance = form.mortgageBalance.value;
  var homeValue = form.homeValue.value;
  var email = form.email.value;
  var previousAddress = form.previousAddress.value;
  var employer = form.employer.value;
  var employersAddress = form.employersAddress.value;
  var employersCity = form.employersCity.value;
  var employersstateprov = form.employersstateprov.value;
  var employersCountry = form.employersCountry.value;
  var employersZippost = form.employersZippost.value;
  var workPhone = form.workPhone.value;
  var lengthEmploymentYears = form.lengthEmploymentYears.value;
  var occupation = form.occupation.value;
  var monthlyIncome = form.monthlyIncome.value;
  var previousEmployer = form.previousEmployer.value;
  var previousEmployersAddress = form.previousEmployersAddress.value;
  var previousEmployersCity = form.previousEmployersCity.value;
  var previousEmployersStateprov = form.previousEmployersStateprov.value;
  var previousEmployersCountry = form.previousEmployersCountry.value;
  var previousEmployersPhone = form.previousEmployersPhone.value;
  var previousLengthEmploymentYears = form.previousLengthEmploymentYears.value;
  var previousLengthEmploymentMonths = form.previousLengthEmploymentMonths.value;
  var previousOccupation = form.previousOccupation.value;
  var previousMonthlyIncome = form.previousMonthlyIncome.value;
  var relativeName = form.relativeName.value;
  var relativeAddress = form.relativeAddress.value;
  var relativePhone = form.relativePhone.value;
  var relativeRelation = form.relativeRelation.value;
  var referenceName = form.referenceName.value;
  var referenceAddress = form.referenceAddress.value;
  var referencePhone = form.referencePhone.value;
  var referenceRelation = form.referenceRelation.value;
  var homePhone = form.homePhone.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(cashDownpayment == "") {
    inlineMsg('cashDownpayment','Please enter your down-payment amount.',2);
    return false;
  }

  if(firstName == "") {
    inlineMsg('firstName','Please enter your first name.',2);
    return false;
  }

  if(lastName == "") {
    inlineMsg('lastName','Please enter your last name.',2);
    return false;
  }

  if(!lastName.match(nameRegex)) {
    inlineMsg('lastName','You have entered an invalid last name.',2);
    return false;
  }

  if(!firstName.match(nameRegex)) {
    inlineMsg('firstName','You have entered an invalid first name.',2);
    return false;
  }

  if(dateOfBirth == "") {
    inlineMsg('dateOfBirth','Please enter your date of birth.',2);
    return false;
  }


  if(address == "") {
    inlineMsg('address','Please enter your current address.',2);
    return false;
  }

  if(city == "") {
    inlineMsg('city','Please enter your city.',2);
    return false;
  }

  if(stateprov == "") {
    inlineMsg('stateprov','Please enter your state/province.',2);
    return false;
  }

  if(country == "") {
    inlineMsg('country','Please enter your country.',2);
    return false;
  }

  if(zippost == "") {
    inlineMsg('zippost','Please enter your zip/postal code.',2);
    return false;
  }

  if(yearsThere == "") {
    inlineMsg('yearsThere','Please enter the number of years there.',2);
    return false;
  }

  if(residentialStatus == "") {
    inlineMsg('residentialStatus','Please enter your residential status.',2);
    return false;
  }

  if(currentPayment == "") {
    inlineMsg('currentPayment','Please enter your current payment amount.',2);
    return false;
  }

  if(currentCreditor == "") {
    inlineMsg('currentCreditor','Please enter your current creditor.',2);
    return false;
  }

  if(mortgageBalance == "") {
    inlineMsg('mortgageBalance','Please enter your current mortgage balance.',2);
    return false;
  }

  if(homeValue == "") {
    inlineMsg('homeValue','Please enter your home value.',2);
    return false;
  }
  
  if(homePhone == "") {
    inlineMsg('homePhone','Please enter your home phone number.',2);
    return false;
  }

  if(email == "") {
    inlineMsg('email','Please enter your email.',2);
    return false;
  }
  
  if(!email.match(emailRegex)) {
    inlineMsg('email','Invalid email - please try again.',2);
    return false;
  }
  
  if(previousAddress == "") {
    inlineMsg('previousAddress','Please enter your previous address.',2);
    return false;
  }

  if(employer == "") {
    inlineMsg('employer','Please enter your current employer.',2);
    return false;
  }

  if(employersAddress == "") {
    inlineMsg('employersAddress','Please enter your employers address.',2);
    return false;
  }

  if(employersCity == "") {
    inlineMsg('employersCity','Please enter your employers city.',2);
    return false;
  }

  if(employersstateprov == "") {
    inlineMsg('employersstateprov','Please enter your employers state/province.',2);
    return false;
  }

  if(employersCountry == "") {
    inlineMsg('employersCountry','Please enter your employers country.',2);
    return false;
  }
  if(employersZippost == "") {
    inlineMsg('employersZippost','Please enter your employers zip/postal code.',2);
    return false;
  }

  if(workPhone == "") {
    inlineMsg('workPhone','Please enter your work phone number.',2);
    return false;
  }

  if(lengthEmploymentYears == "") {
    inlineMsg('lengthEmploymentYears','Please enter your length of employment in years.',2);
    return false;
  }

  if(occupation == "") {
    inlineMsg('occupation','Please enter your occupation type.',2);
    return false;
  }

  if(monthlyIncome == "") {
    inlineMsg('monthlyIncome','Please enter your monthly income amount.',2);
    return false;
  }

  if(previousEmployer == "") {
    inlineMsg('previousEmployer','Please enter your previous employer name.',2);
    return false;
  }

  if(previousEmployersAddress == "") {
    inlineMsg('previousEmployersAddress','Please enter your previous employer address.',2);
    return false;
  }

  if(previousEmployersCity == "") {
    inlineMsg('previousEmployersCity','Please enter your previous employer city.',2);
    return false;
  }

  if(previousEmployersStateprov == "") {
    inlineMsg('previousEmployersStateprov','Please enter your previous employer stateprov.',2);
    return false;
  }

  if(previousEmployersCountry == "") {
    inlineMsg('previousEmployersCountry','Please enter your previous employer country.',2);
    return false;
  }

  if(previousEmployersPhone == "") {
    inlineMsg('previousEmployersPhone','Please enter your previous employer phone number.',2);
    return false;
  }

  if(previousLengthEmploymentYears == "") {
    inlineMsg('previousLengthEmploymentYears','Please enter your previous length of employment years.',2);
    return false;
  }

  if(previousLengthEmploymentMonths == "") {
    inlineMsg('previousLengthEmploymentMonths','Please enter your previous length of employment months.',2);
    return false;
  }

  if(previousOccupation == "") {
    inlineMsg('previousOccupation','Please enter your previous occupation type.',2);
    return false;
  }

  if(previousMonthlyIncome == "") {
    inlineMsg('previousMonthlyIncome','Please enter your previous monthly income amount.',2);
    return false;
  }

  if(relativeName == "") {
    inlineMsg('relativeName','Please enter a relative name.',2);
    return false;
  }

  if(relativeAddress == "") {
    inlineMsg('relativeAddress','Please enter a relative address.',2);
    return false;
  }

  if(relativePhone == "") {
    inlineMsg('relativePhone','Please enter a relative phone.',2);
    return false;
  }

  if(relativeRelation == "") {
    inlineMsg('relativeRelation','Please enter a relative relation to you.',2);
    return false;
  }

  if(referenceName == "") {
    inlineMsg('referenceName','Please enter a reference name.',2);
    return false;
  }

  if(referenceAddress == "") {
    inlineMsg('referenceAddress','Please enter a reference address.',2);
    return false;
  }

  if(referencePhone == "") {
    inlineMsg('referencePhone','Please enter a reference phone.',2);
    return false;
  }

  if(referenceRelation == "") {
    inlineMsg('referenceRelation','Please enter your reference relation to you.',2);
    return false;
  }
  
  
  return true;
}

// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// 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 * 3000));
}

// 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 = "images/msg_arrow.gif"; 
}