/*
	$Header:   //nm-filestore/archives/CodeDB/archives/webroot/icnetwork/js/ticker.js-arc   1.0   Jul 25 2005 10:37:04   twoodwark  $

	Author: 		Public Domain / Dan Singerman
	Date:			2005-07-21
	Name: 			ticker.js
	Description: 	Ticker operation. 
					Call startTicker() after populating globals theSummaries, theSiteLinks

	Globals:		theCharacterTimeout
					theStoryTimeout
					theWidgetOne
					theWidgetTwo
					theWidgetNone
					theLeadString
					theSummaries
					theSiteLinks
					theCurrentStory     
					theCurrentLength


	$Log:   //nm-filestore/archives/CodeDB/archives/webroot/icnetwork/js/ticker.js-arc  $
   Rev 1.0   Jul 25 2005 10:37:04   twoodwarkInitial revision.

*/
// Ticker startup
function startTicker()
{
	// Define run time values
	theCurrentStory     = -1;
	theCurrentLength    = 0;
	// Locate base objects
	if (document.getElementById) {	
		    theAnchorObject     = document.getElementById("tickerAnchor");
			runTheTicker();   	
		 }
	else {
            document.write("<style>.ticki{display:none;}.ticko{border:0px; padding:0px;}<\/style>");
            return true;
	}
}
// Ticker main run loop
function runTheTicker()
{
	var myTimeout; 
	// Are there any stories?
	if (!theSummaries.length) return;
	// Go for the next story data block
	if(theCurrentLength == 0)
	{
		theCurrentStory++;
		theCurrentStory      = theCurrentStory % theSummaries.length;
		theStorySummary      = theSummaries[theCurrentStory].replace(/&quot;/g,'"');		
		theTargetLink        = theSiteLinks[theCurrentStory];
		theAnchorObject.href = theTargetLink;
		thePrefix 	     = "<span class=\"tickls\">" + theLeadString + "<\/span>";
	}
	// Stuff the current ticker text into the anchor
	theAnchorObject.innerHTML = thePrefix + 
	theStorySummary.substring(0,theCurrentLength) + whatWidget();
	// Modify the length for the substring and define the timer
	if(theCurrentLength != theStorySummary.length)
	{
		theCurrentLength++;
		myTimeout = theCharacterTimeout;
	}
	else
	{
		theCurrentLength = 0;
		myTimeout = theStoryTimeout;
	}
	// Call up the next cycle of the ticker
	setTimeout("runTheTicker()", myTimeout);
}
// Widget generator
function whatWidget()
{
	if(theCurrentLength == theStorySummary.length) return theWidgetNone;
	if((theCurrentLength % 2) == 1) return theWidgetOne;
	return theWidgetTwo;
}
// globals
var theCharacterTimeout = 50;
var theStoryTimeout     = 5000;
var theWidgetOne        = "_";
var theWidgetTwo        = "-";
var theWidgetNone       = "";
var theLeadString       = "";
var theSummaries 		= new Array();
var theSiteLinks 		= new Array();