// set global scope vars
var home_feature_content_img_array = new Array();
var home_feature_content_title_array = new Array();
var feature_auto = true;
var feature_current = 0;
var feature_max = 4;

// jquery functions
$( document ).ready(
function()
{
	
	// content placement
	$( '.home_feature_content_img' ).each(
	function ()
	{
		
		// add to array
		home_feature_content_img_array.push( $( this ) );
		
		// set display
		$( this ).css( 'display', 'none' );
		
	}
	);
	$( '.home_feature_content_title' ).each(
	function ()
	{
		
		// add to array
		home_feature_content_title_array.push( $( this ) );
		
		// set display
		$( this ).css( 'display', 'none' );
		
	}
	);
	
	feature_nav_item_toggle( 0 );
	
}
);

function feature_nav_item_toggle ( item_number )
{
	
	// set feature var
	feature_current = item_number;
	
	
	// hide all content
	var b;
	for ( b=0; b<home_feature_content_img_array.length; b++ )
	{
		$( home_feature_content_img_array[b] ).css( { display: 'none' } );
		$( home_feature_content_title_array[b] ).css( { display: 'none' } );
	}
	
	// display current content
	var current_content_img = '#home_feature_content_img_' + item_number;
	$( current_content_img ).css( { display: 'block' } );
	var current_content_title = '#home_feature_content_title_' + item_number;
	$( current_content_title ).css( { display: 'block' } );

}

// set automatic feature change
var feature_auto_interval = window.setInterval( feature_auto_change, 5000 );

function feature_auto_change ()
{
	
	if ( feature_auto != false )
	{
		
		// increment current feature
		feature_current++;
		
		if ( feature_current > feature_max )
			feature_current = 0
		
		// call item toggle
		feature_nav_item_toggle( feature_current );
		
	} else
	{
		
		clearInterval( feature_auto_interval );
		
	}
	
}