// form validation function //

function validateSendPost()
{
	var dateFrom = document.getElementById('fromDate').value;
	var dateTo = document.getElementById('toDate').value;
	 if(dateFrom == "") {
					inlineMsg('fromDate','You must enter a date',2);
					return false;
				  }
	 if(dateTo == "") {
					inlineMsg('toDate','You must enter a date',2);
					return false;
				  }
	return true;
}


function validatemeeting(form)
{
  
  var date = form.mcf_date.value;
  var company = form.mcf_company.value;
  var name = form.mcf_name.value;
  var phone = form.mcf_tel.value;
  var email = form.mcf_email.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(date == "") {
    inlineMsg('mcf_date','You must enter a date.',2);
    return false;
  }

  if(company == "") {
    inlineMsg('mcf_company','You must enter a company.',2);
    return false;
  }

  if(name == "") {
    inlineMsg('mcf_name','You must enter a name.',2);
    return false;
  }

  if(phone == "") {
    inlineMsg('mcf_tel','You must enter a phone.',2);
    return false;
  }
  

  var stripped = phone.replace(/[\(\)\.\-\ ]/g, '');
  //strip out acceptable non-numeric characters
  if (isNaN(parseInt(stripped))) {
	inlineMsg('mcf_tel','<strong>Error</strong><br />You have entered an invalid phone.',2);
    return false;
  }


  if(email == "") {
    inlineMsg('mcf_email','You must enter an email.',2);
    return false;
  }

  if(!email.match(emailRegex)) {
    inlineMsg('mcf_email','<strong>Error</strong><br />You have entered an invalid email.',2);
    return false;
  }
  
return true;
  
}

function validateweddings(form)
{
  
  var date = form.wcf_date.value;
  var name = form.wcf_namevalue;
  var phone = form.wcf_tel.value;
  var email = form.wcf_email.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(date == "") {
    inlineMsg('wcf_date','You must enter a date.',2);
    return false;
  }

  
  if(name == "") {
    inlineMsg('wcf_name','You must enter a name.',2);
    return false;
  }

  if(phone == "") {
    inlineMsg('wcf_tel','You must enter a phone.',2);
    return false;
  }
  

  var stripped = phone.replace(/[\(\)\.\-\ ]/g, '');
  //strip out acceptable non-numeric characters
  if (isNaN(parseInt(stripped))) {
	inlineMsg('wcf_tel','<strong>Error</strong><br />You have entered an invalid phone.',2);
    return false;
  }


  if(email == "") {
    inlineMsg('wcf_email','You must enter an email.',2);
    return false;
  }

  if(!email.match(emailRegex)) {
    inlineMsg('wcf_email','<strong>Error</strong><br />You have entered an invalid email.',2);
    return false;
  }
  
return true;
  
}



function validate(form) {
  var name = form.Name.value;
  var surname= form.LastName.value;
  var email = form.Email.value;
  var phone = form.Phone.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(name == "") {
    inlineMsg('Name','You must enter your name.',2);
    return false;
  }
  if(!name.match(nameRegex)) {
    inlineMsg('Name','You have entered an invalid name.',2);
    return false;
  }
  
  if(surname == "") {
    inlineMsg('LastName','You must enter your surname.',2);
    return false;
  }
  if(!surname.match(nameRegex)) {
    inlineMsg('LastName','You have entered an invalid surname.',2);
    return false;
  }
  
  if(email == "") {
    inlineMsg('Email','<strong>Error</strong><br />You must enter your email.',2);
    return false;
  }
  if(!email.match(emailRegex)) {
    inlineMsg('Email','<strong>Error</strong><br />You have entered an invalid email.',2);
    return false;
  }
  
   if(phone == "") {
    inlineMsg('Phone','<strong>Error</strong><br />You must enter your phone.',2);
    return false;
  }
  
  var stripped = phone.replace(/[\(\)\.\-\ ]/g, '');
  //strip out acceptable non-numeric characters
  if (isNaN(parseInt(stripped))) {
	inlineMsg('Phone','<strong>Error</strong><br />You have entered an invalid phone.',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 * 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;
}