function Inint_AJAX() {
   try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
   try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
   alert("XMLHttpRequest not supported");
   return null;
};

function check_user(src,val) {
     var req = Inint_AJAX();
	req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
                    document.getElementById(src).innerHTML=req.responseText; //retuen value
               } 
          }
     };
     req.open("GET", "user_availability.php?val="+val); //make connection
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1"); // set Header
     req.send(null); //send value
}
/*
function check_user_contact(val) {
     var req = Inint_AJAX();
	req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
                    document.getElementById('business_unit_div_email_valid').innerHTML=req.responseText;
               } 
          }
     };
     req.open("GET", "user_availability.php?value="+val); //make connection
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1"); // set Header
     req.send(null); //send value
}

function check_user_forget(val) {
if(document.forget_password.forgetemail.value=='')
{
	alert("Please fille Email adreess!");
	document.forget_password.forgetemail.focus;
	return false;
}
else
{
     var req = Inint_AJAX();
	req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
                    if(req.responseText=="1")
					{
					alert("Email adreess not exists!");
					document.forget_password.forgetemail.focus;
					return false;
					}
               } 
          }
     };
     req.open("GET", "user_availability.php?value="+val); //make connection
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1"); // set Header
     req.send(null); //send value
}
}
*/
function captch_test(src,val) {
     var req = Inint_AJAX();
	req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
				 document.getElementById(src).innerHTML=req.responseText; //retuen value
               } 
          }
     };
     req.open("GET", "testcaptcha.php?val="+val); //make connection
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1"); // set Header
     req.send(null); //send value
}