var xmlHttp

function changeweek(datevar)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="calender.asp";
url=url+"?date="+datevar;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function shownews(id)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="shownews.asp";
url=url+"?id="+id;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged2;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function shownews2(id)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="shownews.asp";
url=url+"?id2="+id;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged2;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function searchSuggest2(studentvar)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="searchresults2.asp";
url=url+"?user="+studentvar;
url=url+"&sid="+Math.random();
xmlHttp.onreadystatechange=stateChanged4;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

function stateChanged4() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("suggestion").innerHTML=xmlHttp.responseText;
}
}

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

function stateChanged2() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("shownews").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;
}