// Get the HTTP Object
function getHTTPObject(){
   if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
   else if (window.XMLHttpRequest) return new XMLHttpRequest();
   else {
      alert("Your browser does not support AJAX.");
      return null;
   }
}   

 
// Implement business logic    
function checktextdiv(ajaxtarget){    
    httpObject = getHTTPObject();
    if (httpObject != null) {
        httpObject.open("GET", "check.php?check=" + ajaxtarget + "&text="
                        +document.getElementById(ajaxtarget).value, true);
		httpObject.onreadystatechange = function(){
			if(httpObject.readyState == 4){
				document.getElementById('div_' + ajaxtarget).innerHTML = httpObject.responseText;
			}
		}
		httpObject.send(null);
    }
}

function checkreppwd(){    
    httpObject = getHTTPObject();
    if (httpObject != null) {
        httpObject.open("GET", "check.php?check=repeatpassword&text=" + document.getElementById('pwd2').value + "&text2=" + document.getElementById('pwd1').value, true);
		httpObject.onreadystatechange = function(){
			if(httpObject.readyState == 4){
				document.getElementById('div_pwd2').innerHTML = httpObject.responseText;
			}
		}
		httpObject.send(null);
    }
}

function checkbirth(){    
    httpObject = getHTTPObject();
    if (httpObject != null) {
        httpObject.open("GET", "check.php?check=birthday&text=" + document.getElementById('b_day').value + "&text2=" + document.getElementById('b_month').value + "&text3=" + document.getElementById('b_year').value, true);
		httpObject.onreadystatechange = function(){
			if(httpObject.readyState == 4){
				document.getElementById('div_birth').innerHTML = httpObject.responseText;
			}
		}
		httpObject.send(null);
    }
}

 
var httpObject = null;