var xmlhttp
function contactus_ajax(ele){
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
name = ele[0].value;
email = ele[1].value;
phone = ele[2].value;
message = ele[3].value;

if(name.length==0){
	alert('Please enter your name');
	return false;
}
else if (email.length==0 || reg.test(email) == false){
	alert('Invalid email address');
	return false;
}
else if(phone.length==0){
	alert('Please enter your phone no');
	return false;
}
else if (message.length==0)
{
	alert('Please enter your message');
	return false;
}
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support XMLHTTP!");
  return false;
  }
var url="contactusmail.php";
xmlhttp.onreadystatechange=stateChanged;
var params = 'name='+ name + '&email=' + email + '&phone=' + phone + '&message=' + message;
xmlhttp.open("POST",url,true);
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.send(params);

}

function stateChanged()
{
if (xmlhttp.readyState==4)
  {
	document.getElementById('contactuscontent').innerHTML = xmlhttp.responseText;
  }
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest){
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}