<!--
var xmlHttp;
function GetXmlHttpObject(handler){ 
	var objXMLHttp=null;
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest();
	}else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}

function stateChanged(){ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
		var str = xmlHttp.responseText;
		document.getElementById("errors").innerHTML=str;
	}
}


function submitContactUsForm(){
	if(check_contact_us()){
		var url = '../external/contactus.php';
		var firstname = document.getElementById('first_name').value;
        var lastname = document.getElementById('last_name').value;
        var email = document.getElementById('email').value;
        var code = document.getElementById('free_eval_code').value;
		var captcha = document.getElementById('captcha').value;
		var check = document.getElementById('check').checked;
		var resume = escape(document.getElementById('resume').value);
		var parameters = 'first_name='+firstname+'&last_name='+lastname;
		parameters = parameters+'&email='+email+'&captcha='+captcha;
		parameters = parameters+'&resume='+resume+'&free_eval_code='+code+'&check='+check;
		xmlHttp = GetXmlHttpObject();
		if (xmlHttp==null)
		  {
		  alert ("Your browser does not support AJAX!");
		  return;
		 }
		
		xmlHttp.open("POST", url , true) ;
		xmlHttp.onreadystatechange=stateChanged;
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", parameters.length );
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(parameters); 
	}
}

function check_contact_us(){
	var flag = false;
	document.getElementById('errors').innerHTML= "";
        document.getElementById('first_name_error').innerHTML= "";
        document.getElementById('last_name_error').innerHTML= "";
        document.getElementById('email_error').innerHTML= "";
        document.getElementById('c_email_error').innerHTML= "";
        document.getElementById('email_error').innerHTML= "";
        document.getElementById('free_eval_code_error').innerHTML= "";
        document.getElementById('captcha_error').innerHTML= "";
		document.getElementById('check_error').innerHTML= "";
	
        
        if(document.getElementById('first_name').value == ""){
            document.getElementById('first_name_error').innerHTML= "Enter first name";
            flag = true;
        }
       
        if(document.getElementById('last_name').value == ""){
            document.getElementById('last_name_error').innerHTML= "Enter last name";
            flag = true;


        }
        if(validate_email(document.getElementById('email').value) == false){
		document.getElementById('email_error').innerHTML= "Enter valid email";
		flag = true;
	}
        if(validate_email(document.getElementById('c_email').value) == false){
		document.getElementById('c_email_error').innerHTML= "Enter valid email";
		flag = true;
	}
        if(document.getElementById('email').value != document.getElementById('c_email').value){
		document.getElementById('c_email_error').innerHTML= "Enter valid email";
		flag = true;
	}
        if(document.getElementById('free_eval_code').value == ""){
            document.getElementById('free_eval_code_error').innerHTML= "Enter free evaluation code";
            flag = true;
        }
		else if(!(document.getElementById('free_eval_code').value == "EMLEVAL" || document.getElementById('free_eval_code').value == "TWTTEVAL")){
            document.getElementById('free_eval_code_error').innerHTML= "Enter valid free evaluation code";
            flag = true;
		}
        if(document.getElementById('captcha').value == ""){
            document.getElementById('captcha_error').innerHTML= "Enter the numbers you see in the image.";
            flag = true;


        }
	return !flag;

       
}


function validate_email(address) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(address) == false) {
      //alert('Invalid Email Address');
      return false;
   }
}
-->