function StartLogos() {
  if( nextLogoprevhit == 0 ) {	
  var delay = 4;
  if (!document.getElementById) {
    return;
  }
  var divToRotate = document.getElementById("RotatingLogosContainer");
  var divs = divToRotate.getElementsByTagName("div");
  var validDivs = 0;
  for (var i=0; i < divs.length; i++ ) {
    var div = divs[i];
    if ( (div.id != "") && (div.nodeType == 1) ) {
        div.style.display = "none";
		validDivs++;
    }
  }
  if (rotationLogoCount > validDivs) {
        rotationLogoCount = 1;
  }
  if (rotationLogoCount > 0) {
    var divIdToReveal  = rotationLogoCount;
    var divToRevealObj = document.getElementById("rotlof"+divIdToReveal);
	fadeToDiv(divToRevealObj);
    rotationLogoCount++;
  } else {
    var randDivId = Math.ceil( Math.random() * (validDivs) );
	var firstDivToRevealObj = document.getElementById("rotlof"+randDivId);
    firstDivToRevealObj.style.display = "block";
	rotationLogoCount = randDivId;
	rotationLogoCount++;
  }
  setTimeout('StartLogos()', delay*1000);
  }
}
function fadeToDiv(divToRevealObj) {
  setOpacity(divToRevealObj.id, 0);
  divToRevealObj.style.display = "block";
  fadeInDiv(divToRevealObj.id,0);
}
function fadeInDiv(divId, opacity) {
  if (opacity <= 100) {
	setOpacity(divId, opacity);
	opacity += 5;
	window.setTimeout("fadeInDiv('"+divId+"',"+opacity+")", 100);
  }
}
function setOpacity(divId, opacity) {
  var div = document.getElementById(divId);
  opacity = (opacity == 100)?99.999:opacity;
  div.style.filter = "alpha(opacity:"+opacity+")";
  div.style.KHTMLOpacity = opacity/100;
  div.style.MozOpacity = opacity/100;
  div.style.opacity = opacity/100;
}
function nextRotlof() {
  var delay = 7;
  if (!document.getElementById) {
    return;
  }
  var divToRotate = document.getElementById("RotatingLogosContainer");
  var divs = divToRotate.getElementsByTagName("div");
  var validDivs = 0;
  for (var i=0; i < divs.length; i++ ) {
    var div = divs[i];
    if ( (div.id != "") && (div.nodeType == 1) ) {
        div.style.display = "none";
                validDivs++;
    }
  }
  rotationLogoCount++;
  if (rotationLogoCount > validDivs) {
        rotationLogoCount = 1;
  }
  if (rotationLogoCount > 0) {
    var divIdToReveal  = rotationLogoCount;
    var divToRevealObj = document.getElementById("rotlof"+divIdToReveal);
        fadeToDiv(divToRevealObj);
  } else {
    var randDivId = Math.ceil( Math.random() * (validDivs) );
        var firstDivToRevealObj = document.getElementById("rotlof"+randDivId);
    firstDivToRevealObj.style.display = "block";
        rotationLogoCount = randDivId;
  }
  nextprevhit = 1;
}
function prevRotlof() {
  var delay = 7;
  if (!document.getElementById) {
    return;
  }
  var divToRotate = document.getElementById("RotatingLogosContainer");
  var divs = divToRotate.getElementsByTagName("div");
  var validDivs = 0;
  for (var i=0; i < divs.length; i++ ) {
    var div = divs[i];
    if ( (div.id != "") && (div.nodeType == 1) ) {
        div.style.display = "none";
                validDivs++;
    }
  }
  if(nextprevhit == 0) {
	  rotationLogoCount--;
  }
  rotationLogoCount--;
  if (rotationLogoCount < 1) {
        rotationLogoCount = validDivs;
  }
  if (rotationLogoCount > 0) {
    var divIdToReveal  = rotationLogoCount;
    var divToRevealObj = document.getElementById("rotlof"+divIdToReveal);
        fadeToDiv(divToRevealObj);
  } else {
    var randDivId = Math.ceil( Math.random() * (validDivs) );
        var firstDivToRevealObj = document.getElementById("rotlof"+randDivId);
    firstDivToRevealObj.style.display = "block";
        rotationLogoCount = randDivId;
  }
  nextprevhit = 1;
}


/**
logo roatating functions on CUA homepage
**/

function GetLogo() {
var myAjax = new Ajax.Updater('RotatingLogosContainer', 'logos.php', {method: 'get'});
StartLogos();
}


/**function StartLogos() {
setTimeout("GetLogo()",4000);
}**/