var baseObj = document.getElementById( 'base' );
if ( baseObj ) {
	var base = baseObj.href;
}

var SECONDS = 8;
var INDEX = -1; // first increment will bring it to 0
var DIRECTION = 1;
var IS_PAUSED = false;
var TIMEOUT = null;
var SLIDES = new Array(
	new Array( 'img/home/flash/jan-ip-webinar-slide-post.jpg', "", 'webinar/jan2012ipweb' ),		
	new Array( 'img/home/flash/early-bird-pricing.jpg', "NHTF early bird pricing", 'http://getinvolved.sgma.com' ),		
	new Array( 'img/home/flash/2012 Mark Your Calendars LRMS Slide.jpg', "", 'calendar/104_2012-Litigation-%26-Risk-Management-Summit' ),		
	new Array( 'img/home/flash/Q42011SFCIWebSlide2.jpg', "Sports and Fitness webinar", 'webinar/q4sfci2011' )		

);

function cycle() {
	if ( ! IS_PAUSED ) {
		INDEX += DIRECTION;
		if ( INDEX >= SLIDES.length ) {
			INDEX = 0;
		}
		if ( INDEX < 0 ) {
			INDEX = SLIDES.length - 1;
		}

		var a = SLIDES[ INDEX ];

		var img = a[ 0 ];
		var title = a[ 1 ];
		var url = a[ 2 ];

		var ss_obj = document.getElementById( 'slide' );
		if ( ss_obj ) {

			if ( document.all ) {
				// IE can do this:
				ss_obj.style.filter="blendTrans(duration=2)";
				ss_obj.style.filter="blendTrans(duration=CrossFadeDuration)";
				ss_obj.filters.blendTrans.Apply();
			}

			ss_obj.src = base + img;
			ss_obj.width = 525;
			ss_obj.height = 175;

			if (document.all) {
				// IE can do this:
				ss_obj.filters.blendTrans.Play();
			}

		}

		var link_obj = document.getElementById( 'link' );
		if ( link_obj ) {
			link_obj.href = ( ( ( 0 == url.indexOf('http:') ) || ( 0 == url.indexOf('https:') ) ) ? '' : base ) + url;
			link_obj.alt = title;
		}

	}

	TIMEOUT = setTimeout( 'cycle()', SECONDS*1000 );
}

function direction( d ) {
	DIRECTION = d;

	if ( TIMEOUT ) {
		clearTimeout( TIMEOUT );
		cycle();
	}

	return false;
}

function pause_play() {
	IS_PAUSED = ! IS_PAUSED;

	var pause_obj = document.getElementById( 'pause' );
	if ( pause_obj ) {
		pause_obj.innerHTML = ( IS_PAUSED ? '||' : '&bull;' );
	}

	return false;
}

// Slide show for home page