var xmlHttp;
var pageName;

function showPage(str)
{ 
 if (str == 0)
  {
   return;
  }
 xmlHttp=GetXmlHttpObject();
 if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
 if (str == "donations") {	var url = "donations.php"; }
 else { var url= str + ".html"; } 
 pageName = str;
 xmlHttp.onreadystatechange=stateChanged;
 xmlHttp.open("GET",url,true);
 xmlHttp.send(null);
}


function stateChanged() 
{ 
 if (xmlHttp.readyState==4)
 { 
 document.getElementById("showContent").innerHTML=xmlHttp.responseText;
 //document.getElementById("showContent").style.paddingLeft="260px";
 //document.getElementById("aboutus").style.border="solid 1px #000";
 }
}

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;
}