function hello(){
    alert("hello");

}

function get_radio_value(radioElement){
    for (var i = 0; i < radioElement.length; i++) 
        if (radioElement[i].checked) 
            return rad_val = radioElement[i].value;
    
    return "";
}
/*
function isEmpty(field){
    //	alert(field.value);
    if (field.value == undefined) 
        return true;
    if (field.value.length < 1) 
        return true;
    
    return false;
}
*/

function callJSP(url){
    if (window.XMLHttpRequest) {
        ajax = new XMLHttpRequest();
    }
    else {
        ajax = new ActiveXObject("Microsoft.XMLHTTP");
    }
    if (ajax) {
       
	//	alert(url);
  var url2 = encodeURI(url);		
        ajax.open("GET", url2, false);
        ajax.send(null);
        //alert(ajax.responseText);
        return ajax.responseText;
    }
    else {
        alert("something wrong when getting AJAX object");
        return false;
    }
}


function callJSPAsync(url2, func, exception) {
    var http_request = false;
  //  alert("fjsl");
    if (window.XMLHttpRequest) { // FireFox
      http_request = new XMLHttpRequest();
    } else if (window.ActiveXObject) { // IE
      try {
        http_request = new ActiveXObject("Msxml2.XMLHTTP");
      } catch (e) {
        try {
          http_request = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (e) {}
      }
    }
	
    if (!http_request) {
      alert('Something Wrong creating XMLHTTP instance');
      return false;
    }
	//alert("fdsf");
	var url = encodeURI(url2);
 
    http_request.onreadystatechange = function() { 
                                      processAsyncRequest(http_request,func, exception); };
    http_request.open('GET', url, true);
    http_request.send(null);
  }

  function processAsyncRequest(http_request, func, exception) {
    if (http_request.readyState == 4) {
      if (http_request.status == 200) {
        var text = http_request.responseText;
		// alert(text);
         func(text);
      } else {
        alert('Something wrong with the request. Please relogin.');
		
		if (exception != null)
			exception();
      }
    }
  }