var xmlHttp

function dutyupdate(str)
{

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="availableduties.asp";
url=url+"?dutytype="+str;
//url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
signup.style.display= 'none' ;

}
function dutyshow()
{
var theForm = document.forms[1]
var userinput = "?"
var p = 0

   for(i=0; i<theForm.elements.length; i++)
      {
      if(theForm.elements[i].name == "memno" || theForm.elements[i].name == "memname" || theForm.elements[i].name == "mempcode" )
      //alert(theForm.elements[i].name+" : "+theForm.elements[i].value)
      {
      userinput += (theForm.elements[i].name+"="+theForm.elements[i].value)+"&"
      }
      }

xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="availableduties.asp";
url=url+userinput
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
signup.style.display= 'none' ;
return false;
}

function signupform()
{

var theForm = document.forms[1]
var userinput = "?"
var p = 0

   for(i=0; i<theForm.elements.length; i++)
      {
      if(theForm.elements[i].name == "memno" || theForm.elements[i].name == "memname" || theForm.elements[i].name == "mempcode" || theForm.elements[i].name == "mememail" || theForm.elements[i].name == "dutyno" )
      //alert(theForm.elements[i].name+" : "+theForm.elements[i].value)
      {
      userinput += (theForm.elements[i].name+"="+theForm.elements[i].value)+"&"
      }
      }
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="signuppost.asp";
url=url+userinput
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
signup.style.display= 'none' ;
return false;
}

function stateChanged()
{
if (xmlHttp.readyState==4)
{
document.getElementById("duty").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}

function updatedutyno(theForm, theName, theValue, dutyname, dutydate)
   {
      signup.style.display= 'none' ;
	  addtext = "";
      theForm.elements[theName].value = theValue;
      if ([dutyname] == 'Duty Member')
      { addtext = "<br>Please read the <a href='http://www.tisc.org.uk/topic.asp?TOPIC_ID=791' target='_blank'>Guide for the Duty Member</a> in Members Only Documents " }
      document.getElementById('whichduty').innerHTML = [dutyname] + " on " + [dutydate] + addtext;
      signup.style.display = 'BLOCK';
   }