var currentNewsItem = 0;
var maxNewsItems = 0;
var timeout = 0;
var cycleTime = 10000;

function onLoadEvents()
{
//Try and if error, load again in 1/2 second
try{
ajaxpage(highlightpage, 'highlights_container');
currentNewsItem = 0;
//hideAll();
timeout = setTimeout("autorot();",500);
}
catch(err)
{
//Error Occured so launch again after a couple seconds
setTimeout('onLoadEvents();', 500);
}
}

function autorot() 
{
	//rotateDiv(currentNewsItem);
	fadeIn();

	fadeOutTime = setTimeout("fadeOut();",cycleTime);
	//fadeOutTime = setTimeout("fadeOut();",cycleTime/3*2);
	timeout = setTimeout("autorot();",cycleTime);
}


function fadeIn()
{
try{
var div;
var i = currentNewsItem;
var divs = document.getElementById("highlights_container").getElementsByTagName("div");
  maxNewsItems= divs.length;

div = divs[i];
changeOpac(0, div.id);
div.style.display="block";
opacity(div.id, 0, 100, cycleTime/1.5);

} //End Try
catch(err)
{
//Clear timeouts, wait 2 seconds and start from begining
clearTimeout(timeout);
setTimeout('onLoadEvents();', 2000);
}
}

function fadeOut()
{
try{
var div;
var i = currentNewsItem;
var divs = document.getElementById("highlights_container").getElementsByTagName("div");
  maxNewsItems= divs.length;

div = divs[i];


//opacity(div.id, 100, 0, cycleTime/3);
div.style.display="none";
i=i+1;
if (i>=maxNewsItems)
	i=0;
//else
currentNewsItem=i;

} //End Try
catch(err)
{
//Clear timeouts, wait 2 seconds and start from begining
clearTimeout(timeout);
setTimeout('onLoadEvents();', 2000);
}
}


function hideAll()
{
try{
  var divs = document.getElementById("highlights_container").getElementsByTagName("div");
  for (var i=0; i < divs.length; i++ )
	{
    	var div = divs[i];
    	if (div.id != "") 
	 div.style.display = "none";
	}	
}
catch(err)
{
//Don't do anything is fails
}
}


function showNext()
{
clearTimeout(fadeOutTime);
clearTimeout(timeout);
hideAll();
currentNewsItem=currentNewsItem+1;
if (currentNewsItem>=maxNewsItems)
	currentNewsItem=0;
var divs = document.getElementById("highlights_container").getElementsByTagName("div");
var div = divs[currentNewsItem];
div.style.display="block";
changeOpac(100, div.id);
}

function showPrev()
{
clearTimeout(fadeOutTime);
clearTimeout(timeout);
hideAll();
var divs = document.getElementById("highlights_container").getElementsByTagName("div");
currentNewsItem=currentNewsItem-1;
if (currentNewsItem<0)
	currentNewsItem=divs.length-1;

var div = divs[currentNewsItem];
div.style.display="block";
changeOpac(100, div.id);
}




function opacity(id, opacStart, opacEnd, millisec) { 
    //speed for each frame 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 

    //determine the direction for the blending, if start and end are the same nothing happens 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
           setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
           timer++; 
        } 
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } 
    } 
} 

//change the opacity for different browsers 
function changeOpac(opacity, id) { 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
}