/*
validate.js

This script provides client-side validation
for the site's contact form, as well as 
allowing fieldsets to "pop up" and fields to 
enable/disable at appropriate times.

*/


function toggleExtendedContactInfo()
{
	if(document.getElementById)
	{
		var isChecked = document.getElementById("toggleextended").checked;
		if(isChecked == true)
		{
			document.getElementById("extinfo").style.display = "block";
		}
		else
		{
			document.getElementById("extinfo").style.display = "none";
		}
	}
}

function toggleBestTime()
{
	if(document.getElementById)
	{
		var phone = document.getElementById("PrefComm2").checked;
		var any = document.getElementById("PrefComm3").checked;
		if(phone == true || any == true)
		{
			document.getElementById("besttime").style.display = "block";
		}
		else
		{
			document.getElementById("besttime").style.display = "none";
		}
	}
}

function toggleCBDisabled()
{
	if(document.getElementById)
	{
		var completechecked = document.getElementById("Complete").checked;
		if (completechecked == true)
		{
			document.getElementById("WebDesign").disabled = true;
			document.getElementById("WebDesign").checked = false;
			document.getElementById("Programming").disabled = true;
			document.getElementById("Programming").checked = false;
			document.getElementById("Testing").disabled = true;
			document.getElementById("Testing").checked = false;
			document.getElementById("WebContent").disabled = true;
			document.getElementById("WebContent").checked = false;
			document.getElementById("SEO").disabled = true;
			document.getElementById("SEO").checked = false;
			document.getElementById("Illustration").disabled = true;
			document.getElementById("Illustration").checked = false;
			document.getElementById("Theming").disabled = true;
			document.getElementById("Theming").checked = false;
			document.getElementById("NotSureOther").disabled = true;
			document.getElementById("NotSureOther").checked = false;
		}
		else
		{
			document.getElementById("WebDesign").disabled = false;
			document.getElementById("Programming").disabled = false;
			document.getElementById("Testing").disabled = false;
			document.getElementById("WebContent").disabled = false;
			document.getElementById("SEO").disabled = false;
			document.getElementById("Illustration").disabled = false;
			document.getElementById("Theming").disabled = false;
			document.getElementById("NotSureOther").disabled = false;
		}
	}
}

function anythingThere(field, errspanname)
{
	theerrorspan = document.getElementById(errspanname);
	if (trim(field.value) == "" || trim(field.value) == null)
	{
		theerrorspan.innerHTML = "Required!";
		field.style.borderColor = "#FF0000";
		field.style.borderWidth = "2px";
		return false;
	}
	else
	{
		theerrorspan.innerHTML = "";
		field.style.borderColor = "";
		field.style.borderWidth = "";
		return true;
	}
}


// Strip whitespace from the beginning and end of a string

function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}

function validateEmail(field, errspanname) 
{
	theerrorspan = document.getElementById(errspanname);
	notEmpty = anythingThere(field, errspanname);
	if (notEmpty == false)
	{
		return false;
	}
	else
	{
		// check email syntax
		isValid = isEmail(field.value);
		// alert(isValid);
		if(!isValid)
		{
			theerrorspan.innerHTML = "Invalid address";
			field.style.borderColor = "#FF0000";
			field.style.borderWidth = "2px";
			return false;
		}
		else
		{
			theerrorspan.innerHTML = "";
			field.style.borderColor = "";
			field.style.borderWidth = "";
			return true;
		}
	}
}

// Check if a string is in valid email format. Returns true if valid, false otherwise. 

function isEmail(str)
{
	var regex = /^[-_.a-z0-9]+@(([-_a-z0-9]+\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i;
	return regex.test(str);
}

function validateForm()
{
	gnfield = document.getElementById("GivenName");
	fnfield = document.getElementById("FamilyName");
	emfield = document.getElementById("EMail");
	gnver = anythingThere(gnfield, "gnerror");
	fnver = anythingThere(fnfield, "fnerror");
	emver = validateEmail(emfield, "emerror");
	if(gnver == false || fnver == false || emver == false)
	{
		window.location = "#form";
		if(gnver == false)
		{
			gnfield.focus();
			gnfield.select();
		}
		else if(fnver == false)
		{
			fnfield.focus();
			fnfield.select();
		}
		else
		{
			emfield.focus();
			emfield.select();
		}
		return false;
	}
	else
	{
		return true;
	}
}