// JavaScript Document
var xmlhttp;
function chkContactFrm()
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
	alert ("Browser does not support HTTP Request");
	return;
	}
	
	if(document.frmContact.name.value=="" || document.frmContact.name.value=="Name")
		{
			 document.frmContact.name.value="";
			document.getElementById("errMsg").innerHTML = 'Name should not be empty.';
			return false;
		}
	if(document.frmContact.email.value=="" || document.frmContact.email.value=="Email address")
		{
			document.frmContact.email.value="";
			document.getElementById("errMsg").innerHTML = 'Email address should not be empty.';
			return false;
		}
	
	if(document.frmContact.email.value!="" && document.frmContact.email.value!="Email address")
	{
		var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
		var address = document.frmContact.email.value;
		if(reg.test(address) == false) 
		{
			 document.getElementById("errMsg").innerHTML = 'Invalid Email Address.';
			 return false;
		}
	}
	
	if(document.frmContact.phone.value=="" || document.frmContact.phone.value=="Phone")
		{
			document.frmContact.phone.value="";
			document.getElementById("errMsg").innerHTML = 'Phone should not be empty.';
			return false;
		}
		
	var name = document.frmContact.name.value;
	var email = document.frmContact.email.value;
	var phone = document.frmContact.phone.value;
	var IM = document.frmContact.IM.value;
	var message = document.frmContact.message.value;
	
	var url="goToSendMsg.php";
	url=url+"?name="+name;
	url=url+"&email="+email;
	url=url+"&phone="+phone;
	url=url+"&IM="+IM;
	url=url+"&message="+message;
	url=url+"&sid="+Math.random();
	
	xmlhttp.onreadystatechange=stateChangedNetwork;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function stateChangedNetwork()
{
	if (xmlhttp.readyState==4)
	{
		document.getElementById("errMsg").innerHTML=xmlhttp.responseText;
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
	  {
	  // code for IE7+, Firefox, Chrome, Opera, Safari
	  return new XMLHttpRequest();
	  }
	if (window.ActiveXObject)
	  {
	  // code for IE6, IE5
	  return new ActiveXObject("Microsoft.XMLHTTP");
	  }
	return null;
}