function sendForm() {

	//if (str.length==0)
	//  {
	//  return;
	//  }

	var fullname = document.getElementById("fullname").value;
	var emailaddress = document.getElementById("emailaddress").value;
	var telephone = document.getElementById("telephone").value;
	var message = document.getElementById("message").value;
	
	if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
		xmlhttp=new XMLHttpRequest();
	} else {// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
			document.getElementById("contact_form_container").innerHTML=xmlhttp.responseText;
		}
	}
	
	document.getElementById("contact_form_container").innerHTML='Sending...';
		
	xmlhttp.open("POST","includes/ajax/sendcontactform.php",true);
	xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
	xmlhttp.send("sendcontactform=1&fullname="+fullname+"&emailaddress="+emailaddress+"&telephone="+telephone+"&message="+message+"");

}