// form validation for contact function //
function validateForm()
{
	
  var fname = $('#f_name').val();
  var lname = $('#l_name').val();
  var email = $('#email').val();
  var address = $('#address').val();
  var city = $('#city').val();
  var state = $('#state').val();
  var zip = $('#zip').val();
  var age = $('#age').val();
  var cardNum = $('#cardNum').val();
  var expire = $('#expire').val();
  var ccv = $('#ccv').val();
  var card_type = $('#donate-form').find('input[id^="card-type"]:checked');
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
  
  if(fname == '') {
    inlineMsg('f_name','Please enter a first name.',2);
    return false;
  }
  if(lname == '') {
    inlineMsg('l_name','Please enter a last name.',2);
    return false;
  }
  if (email == '') {
    inlineMsg('email','Please enter an email address.',2);
    return false;
  }
  else if(!email.match(emailRegex) && !emailCheck(email)) {
	inlineMsg('email','Please enter a valid email address.',2);
	return false;
  }
  if(address == '') {
    inlineMsg('address','Please enter an address',2);
    return false;
  }
  if(city == '') {
    inlineMsg('city','Please enter a city.',2);
    return false;
  }
  if(state == '') {
    inlineMsg('state','Please enter a state/province/region.',2);
    return false;
  }
  if(zip == '') {
    inlineMsg('zip','Please enter a postal/zip code.',2);
    return false;
  }
  else if (isNaN(zip))
  {
    inlineMsg('zip','Please enter a numeric postal/zip code.',2);
    return false;  
  }
  if(age == '') {
    inlineMsg('age','Please enter your year born (i.e. 1979).',2);
    return false;
  }
  else if (age.length < 4 || age.length > 4)
  {
    inlineMsg('age','Please enter a four digit year (i.e. 1979).',2);
    return false;
  }
  else if (isNaN(age))
  {
    inlineMsg('age','Please enter a four digit year (i.e. 1979).',2);
    return false;  
  }
  if(!card_type.length) {
	inlineMsg('cart-type-container','Please select a card type.',4);
	return false;
  }
  else if (card_type.val() == 'echeck')
  {
	  
	  var routing = $('#routing').val();
	  var account = $('#account').val();
	  var dlnum   = $('#dlnum').val();
	  var dlstate = $('#dlstate').val();
	  
	  if(routing == '') {
		inlineMsg('routing','Please enter a routing number',2);
		return false;
	  }
	  
	  if(account == '') {
		inlineMsg('account','Please enter an account',2);
		return false;
	  }
	  
	  if(dlnum == '') {
		inlineMsg('dlnum','Please enter a driver license number',2);
		return false;
	  }
	  
	  if(dlstate == '') {
		inlineMsg('dlstate','Please enter a driver license state',2);
		return false;
	  }
	  
	  
  }
  
  if (card_type.val() != 'echeck')
  {
	  
	  if(cardNum == '') {
		inlineMsg('cardNum','Please enter a credit card number.',2);
		return false;
	  }
	  if(expire == '') {
		inlineMsg('expire','Please enter an expiration date.',2);
		return false;
	  }
	  if(ccv == '') {
		inlineMsg('ccv','Please enter a the credit card code.',2);
		return false;
	  }
  
  }
  
  processCredit();
  return false;
}

function validateFriends()
{
	
  var emailRegex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
	
  var name = $('#t_name').val();
  var email = $('#t_email').val();
  var friends = $('#t_friends').val();
  
  if(name == '') {
    jAlert('Please enter a your name.','Error');
    return false;
  }
  if (email == '') {
    jAlert('Please enter your email address.','Error');
    return false;
  }
  else if(!email.match(emailRegex) && !emailCheck(email)) {
	jAlert('Please enter a valid email address.','Error');
	return false;
  }
  if(friends == '') {s
    jAlert('Please enter your friends emails.','Error');
    return false;
  }
  tellFriends();
  return false;
	
}

function validateDonate()
{
	var sum = 0;
	var error = false;
	
						
	$('input[id^="nonprofit_"]').css('border','#D9D9D9 solid 2px');
	
	//iterate through each textboxes and add the values
	$('input[id^="nonprofit_"]').each(function() {

		//add only if the value is number
		
		var value = $(this).val();
		
		if (value != '$')
		{
		
			if (isNaN(value) || value.length == 0)
			{
					
				$(this).css('border','2px solid #EC5925');
				
				error = 'novalue';
				
			}
			else
			{
			
				if (value < 10 && value != 0)
				{
							
					$(this).css('border','2px solid #EC5925');
					
					error = true;
			
				}
			
			}
		
		}
		else
		{
			
			sum += 1;	
			
		}

	});
	
	if (error == 'novalue' || sum == 49)
	{
		
		jAlert('Please enter a numerical amount or an amount greater than 0 next to your favorite nonprofits.','Error');
		return false;
		
	}
	else if (error == true)
	{
		
		jAlert('<div class="size14 bold dark-orange append-bottom5">Please review your entries with the orange border.</div>Either you have not entered an amount greater than or eqaul to $10 or your values are not numerical.','Error');
		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('formMsg')) {
    msg = document.createElement('div');
    msg.id = 'formMsg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'formMsgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('formMsg');
    msgcontent = document.getElementById('formMsgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  targetdiv.style.border = '2px solid #924949';
  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('formMsg');
  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('formMsg');
  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 = "//www.indygive.com/images/msg_arrow.gif"; 
}



function emailCheck (emailStr) {

	var checkTLD=1;
	
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	
	var emailPat=/^(.+)@(.+)$/;
	
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	
	var validChars="\[^\\s" + specialChars + "\]";
	
	var quotedUser="(\"[^\"]*\")";
	
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	
	var atom=validChars + '+';
	
	var word="(" + atom + "|" + quotedUser + ")";
	
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null) {
	return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		}
	}
	if (user.match(userPat)==null) {
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
		
			return false;
		   }
		}
		return true;
	}
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			return false;
	   }
	}
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		return false;
	}
	if (len<2) {
		return false;
	}
return true;
}