var SOLVED = false;

function ResetFieldColor(field)
{
	field.style.background='white';
	field.style.color='black';
}

function ValidateFormLive()
{
	var name = document.getElementById("name");
	var email = document.getElementById("email");
	var comment = document.getElementById("comment");
	var inf = document.getElementById("__ec_s");
	var submit = document.getElementById("__submit");								
	if(name.value.length>0 && email.value.length>0 && comment.value.length>0)
	{
		if(SOLVED)
		{ // Captcha solved already, enable Submit button
			submit.disabled = 0;
		}
		else
		{ // Captcha hasn't been solved yet, enable captcha field
			// Captcha field is disabled by default,
			// in an effort to reduce resource usage
			// from the live Ajax captcha challenge.
			inf.disabled = 0;
			document.getElementById("captcha_div").style.display = "block";
			scroll(0,300);
		}
	}
	else
	{
		// Nothing has been entered into the form, disable the Submit button
		submit.disabled = 1;
	}
}

function OnCaptchaSolved()
{
	// Captcha has been solved, disable captcha field
	// This is an effort to reduce resource usage,
	// no need for continously pinging the server with captcha solutions after it has been solved once
	var inf = document.getElementById("__ec_s");
	inf.disabled = 1;
	
	var progressArrows = document.getElementById("progress_arrows");
	progressArrows.src = "http://www.royaalz.com/captcha_valid.png";
	progressArrows.style.display = "block";
	progressArrows.style.backgroundColor = "black";
	
	inf.title = "Security code verified. Access granted.";
	progressArrows.title = "Security code verified. Access granted.";
	
	document.getElementById("captcha_image").onclick=null;
	document.getElementById("captcha_image").title = "Security code verified. Access granted.";

	document.getElementById("captcha").style.display = "none";
	document.getElementById("solved_msg").style.display = "block";
	
	SOLVED = true;
	
	ValidateFormLive();
}

function OnCaptchaUpdate()
{
	document.getElementById("progress_arrows").style.display = "none";
}

function textCounter(field, maxlimit)
{
	if(field.value.length > maxlimit)
	{
		field.value = field.value.substring( 0, maxlimit );
		alert( 'Comment can only be '+maxlimit+' characters in length.' );
		return false;
	}
	else
	{
		/*countfield.value = maxlimit - field.value.length;*/
	}
}

function ValidateFormSubmit()
{
	// Validate E-mail Address
	var emailValid = false;
	var email = document.getElementById("email");
	
	if((email.value==null)||(email.value==""))
	{
		alert("Please enter your e-mail address. Your e-mail address will not be shown publically.");
		email.style.background = "red";
		email.style.color = "white";
		email.focus();
		return false;
	}
	
	if(email.value.length > 64)
	{
		alert("Sorry, your e-mail address is too long. E-mail addresses must be less than 64 characters long.");
		email.style.background = "red";
		email.style.color = "white";
		email.focus();
		return false;
	}
	
	if(echeck(email.value)==false)
	{
		alert("The e-mail address you entered is not valid. Please fix and verify your e-mail address.");
		email.style.background = "red";
		email.style.color = "white";
		email.focus();
		return false;
	}
	
	// Validate Name
	var name = document.getElementById("name");
	if((name.value==null)||(name.value==""))
	{
		alert("Please enter your name or nickname.");
		name.style.background = "red";
		name.style.color = "white";
		name.focus();
		return false;
	}
	if(name.value.length > 32)
	{
		alert("Your name is too long. Names must be less than 32 characters long.");
		name.style.background = "red";
		name.style.color = "white";
		name.focus();
		return false;
	}
	
	// Validate URL
	var url = document.getElementById("url");
	if(url.value.length > 128)
	{
		alert("Your URL is too long. URLs must be less than 128 characters long.");
		url.style.background = "red";
		url.style.color = "white";
		url.focus();
		return false;
	}
	
	// Validate Comment
	var comment = document.getElementById("comment");
	if(comment.value.length < 6)
	{
		alert("Your comment is too short. Comments must be at least 6 characters long.");
		comment.style.background = "red";
		comment.style.color = "white";
		comment.focus();
		return false;
	}
	
	if(comment.value.length > 255)
	{
		alert("Your comment is too long. Comments must be less than 255 characters long.");
		comment.style.background = "red";
		comment.style.color = "white";
		comment.focus();
		return false;
	}
	
	// Valid
	var inf = document.getElementById("__ec_s");
	inf.disabled = 0; // Quickly enable Captcha field so that it gets submitted with the form (it is currently disabled)
	
	return true;
}

function echeck(str)
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){
	   return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		return false
	}
	
	 if (str.indexOf(at,(lat+1))!=-1){
		return false
	 }
	
	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		return false
	 }
	
	 if (str.indexOf(dot,(lat+2))==-1){
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		return false
	 }
	
	 return true					
}