var screenW = 640, screenH = 480;
if (parseInt(navigator.appVersion)>3) {
 screenW = screen.width;
 screenH = screen.height;
}
else if (navigator.appName == "Netscape" 
    && parseInt(navigator.appVersion)==3
    && navigator.javaEnabled()
   ) 
{
 var jToolkit = java.awt.Toolkit.getDefaultToolkit();
 var jScreenSize = jToolkit.getScreenSize();
 screenW = jScreenSize.width;
 screenH = jScreenSize.height;
}


function getScrollTop() {
  var scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
  } else if( document.body && document.body.scrollTop ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
  } else if( document.documentElement && document.documentElement.scrollTop ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
  }
  return scrOfY;
}

function loadPage(pageRequest, containerID) {
  if (pageRequest.readyState == 4) {
    document.getElementById(containerID).innerHTML=pageRequest.responseText;
  }
}



function loadContainer(containerID, theURL) {
  var pageRequest = false;

  if (window.XMLHttpRequest) // if Mozilla, Safari etc
    pageRequest = new XMLHttpRequest();
  else if (window.ActiveXObject) { // if IE
    try {
    pageRequest = new ActiveXObject("Msxml2.XMLHTTP");
  }
  catch (e) {
    try {
      pageRequest = new ActiveXObject("Microsoft.XMLHTTP");
    }

    catch (e) {}
  }
  } else
    return false;

  pageRequest.onreadystatechange=function() {
    loadPage(pageRequest, containerID);
  }

  pageRequest.open('GET', theURL, true);

  pageRequest.send(null);
}

function nextSponsor() {
  loadContainer("nextSponsor", "nextsponsor.php");
  setTimeout('nextSponsor();', 10000);
}