// xmlHttp creation AJAX
function GetXmlHttpObject()
{
	var xmlHttp;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	
		}
	}
return xmlHttp;
}

// Sent contact form
function sendForm()
{
	var contactform = document.getElementById("form");
	var nameerror = document.getElementById("error_name");
	var emailerror = document.getElementById("error_email");
	var reasonerror = document.getElementById("error_reason");
	var messageerror = document.getElementById("error_message");
	
	var thename = contactform.name.value;
	var theemail = contactform.email.value;
	var thereason = contactform.reason.value;
	var themessage = contactform.message.value; // the encodeURI is used for multiline php support
	
	// Check if at least 1 field is filled
	if(thename != "" && theemail != "" && thereason != "" && themessage != "")
	{	
		document.getElementById("formbuttons").innerHTML = "Busy sending..."
		
		nameerror.style.display = "none";
		
		// Send the data using AJAX
		xmlHttp=GetXmlHttpObject();
		if (xmlHttp == null)
		{
			alert ("Your browser isn't supported.");
			return;
		} 
		
		var url = "contact/formsend";
		var poststr = "thename=" + encodeURI(thename) + "&theemail=" + encodeURI(theemail) + "&thereason=" + encodeURI(thereason) + "&themessage=" + encodeURI(themessage);
		
		xmlHttp.onreadystatechange=function()
		{
			if(xmlHttp.readyState == 4)
			{
				document.getElementById("formdiv").innerHTML = xmlHttp.responseText;
  			}
		}
		xmlHttp.open('POST', url, true);
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", poststr.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(poststr);
		
	}
	else
	{
		if(thename == "") {
			nameerror.style.display = "block";
		}
		else {
			nameerror.style.display = "none";
		}
		if(theemail == "") {
			emailerror.style.display = "block";
		}
		else {
			emailerror.style.display = "none";
		}
		if(thereason == "") {
			reasonerror.style.display = "block";
		}
		else {
			reasonerror.style.display = "none";
		}
		if(themessage == "") {
			messageerror.style.display = "block";
		}
		else {
			messageerror.style.display = "none";
		}
	}
}