//Top Story content cycling
// globalize variables
var contentCycleInterval;

// Content Cycling Variables
var cycleDelay = 6000;			// timeInMilliseconds
var currentContentPiece = 1;	// defaults to first one
var maxNumContentPieces;	// max number of content/stories

var moduleName = "topStories";
var contentCycleInterval;
var pauseValue = 0;
var initialPauseValue = 0;

// Navigation Settings
// nav delay
var navDelay = 3000;

// Content Cycling Functions
function adjacentContent(nearContentLoc)
{ /* return values for content ID for prev/next */
if ( nearContentLoc == "prev" )
{ // previous content
decrementContentPieces();
} else if ( nearContentLoc == "next" )
{ // next content
incrementContentPieces();
} // end if
return currentContentPiece;
} // end function
/*
function autoCycleContent(currentContentPiece)
{ 
// call auto-cycle function with delay
contentCycleInterval = window.setInterval('cycleContent(moduleName, currentContentPiece)', cycleDelay);
} // end function
*/
function autoCycleContent(currentContentPiece)
{ /* calls the auto cycle function with the delay */
// call auto-cycle function with delay
if (initialPauseValue == 0)
{ // default to auto cycle
contentCycleInterval = window.setInterval('cycleContent(moduleName, currentContentPiece)', cycleDelay);
} else
{ // defalut to pause
pauseCycleContent('topStories', 'perm');
initialPauseValue = 0;
} // end if
} // end function

function cycleContent(moduleName, currentContentPiece)
{ /* auto-cycles the content */
// increment content piece
currentContentPiece = incrementContentPieces();
// hide all content
for( i = 1; i <= maxNumContentPieces; i++ ) {
document.getElementById("story" + i).style.display = 'none';
} // end for
// display current content
document.getElementById("story" + currentContentPiece).style.display = 'block';
} // end function

function pauseCycleContent(moduleName, pauseType)
{ /* toggles pausing the auto-cyle */
if ( pauseType == "temp" )
{ // specific content selected
window.clearInterval(contentCycleInterval);
pauseValue = 1;
document.getElementById("pauseImage").src = pauseImage.src;
} else
{ // pause button selected
if ( pauseValue == 0 )
{ // not currently paused
// pause auto-cycle
window.clearInterval(contentCycleInterval);
pauseValue = 1;
document.getElementById("pauseImage").src = playImage.src;
} else
{ // currently paused
// resume auto-cycle
autoCycleContent(moduleName, currentContentPiece);
document.getElementById("pauseImage").src = pauseImage.src;
pauseValue = 0;
} // end if
} // end if
} // end function

function selectContent(moduleName, storyID)
{ /* displays the content selected and hides the rest */
if (( storyID == "prev" ) || ( storyID == "next" ))
{ // previous or next is selected
storyID =  adjacentContent(storyID);
} // end if
for( i = 1; i <= maxNumContentPieces; i++ )
{ // hide all content
document.getElementById("story" + i).style.display = 'none';
} // end for
// display selected content
document.getElementById("story" + storyID).style.display = 'block';
// pause auto cycle
pauseCycleContent(moduleName, "temp");
document.getElementById("pauseImage").src = playImage.src;
currentContentPiece = storyID;
decorateControls();
} // end function

function selectWeatherContent(moduleName, storyID)
{ /* displays the content selected and hides the rest */
for( i = 1; i <= maxNumContentPieces; i++ )
{ // hide all content
document.getElementById("weatherStory" + i).style.display = 'none';
} // end for
// display selected content
document.getElementById("weatherStory" + storyID).style.display = 'block';
} // end function

function decorateControls()
{ /* displays the control numbers active/passive */
for( i = 1; i <= maxNumContentPieces; i++ )
{ // make all control numbers passive display
document.getElementById("controls" + i).className = 'passiveControls';
} // end for
// make current control number active
document.getElementById("controls" + currentContentPiece).className = 'activeControls';
} // end function

function incrementContentPieces()
{ /* increments the content pieces */
currentContentPiece++;
if ( currentContentPiece > maxNumContentPieces )
{ // check to see if increments past max and reset
currentContentPiece = 1;
} // end if
return currentContentPiece;
} // end function

function decrementContentPieces()
{ /* decrements the content pieces */
currentContentPiece--;
if ( currentContentPiece < 1 )
{ // check to see if increments past min and reset
currentContentPiece = maxNumContentPieces;
} // end if
return currentContentPiece;
} // end function

function reloadPage(url) {
if (document.layers) {
window.location.href = url;
} else {
self.location.replace(url);
}
}

//Pop-up code
function launchURL(url,name,x,y) {
window.name = "_newshome";
    var ItsTheWindow;
    ItsTheWindow = window.open(url, name, "status=no,height="+y+",width="+x+",scrollbars=no,resizable=no,toolbar=no");
}

var maxNumContentPieces = 3;	// max number of content/stories

