<!-- Original:  Robert Bui (astrogate@hotmail.com) -->
<!-- Web Site:  http://astrogate.virtualave.net -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
var interval = 5.0; // delay between rotating images (in seconds)
var random_display = 0; // 0 = no, 1 = yes
interval *= 1000;

var image_index = 0;
var rotate_caption = false;

image_list = new Array();
image_list[ image_index++ ] = new imageItem( "images/10-agday-03.jpg" );
image_list[ image_index++ ] = new imageItem( "images/10-agday-02.jpg" );
image_list[ image_index++ ] = new imageItem( "images/10-agday-01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/almond-bloom.jpg" );
image_list[ image_index++ ] = new imageItem( "images/bee-pollinating.jpg" );
image_list[ image_index++ ] = new imageItem( "images/cantaloupe01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/eggs01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/egvm-close.jpg" );
image_list[ image_index++ ] = new imageItem( "images/egvm-trap.jpg" );
image_list[ image_index++ ] = new imageItem( "images/lettuce01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/orange-insp2.jpg" );
image_list[ image_index++ ] = new imageItem( "images/orange-insp3.jpg" );
image_list[ image_index++ ] = new imageItem( "images/rifa01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/roses01.jpg" );
image_list[ image_index++ ] = new imageItem( "images/snow-99.jpg" );

var caption_list = new Array("2010 Farm Day in the City",
							 "2010 Farm Day in the City",
							 "2010 Farm Day in the City",
							 "Almonds in Bloom",
                             "Citrus Pollination",
                             "Illegal Cantaloupe Harvest",
							 "Candling Eggs at Point of Production",
                             "European Grapevine Moths",
                             "Napa County European Grapevine Moth Trap",
                             "Head Lettuce Inspection",
                             "Orange Juice Titration",
                             "Inspecting Orange for Freeze Damage",
                             "Red Imported Fire Ant Eradication",
                             "Commercial Rose Production",
                             "Valley Snowfall - 1999");
							 
var number_of_image = image_list.length;

function imageItem(image_location) {
    this.image_item     = new Image();
    this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj) {
    return(imageObj.image_item.src)
}

function generate(x, y) {
    var range = y - x + 1;
    return Math.floor(Math.random() * range) + x;
}

function getNextImage() {
    if (random_display) {
        image_index = generate(0, number_of_image-1);
    }
    else {
        image_index = (image_index+1) % number_of_image;
    }
    
    
    var new_image = get_ImageItemLocation(image_list[ image_index ]);
    return(new_image);
}

function setCaption( capDiv ) {
    document.getElementById( capDiv ).innerHTML= caption_list[ image_index ];
}

function rotateImage( place, captionDiv ) {

    var new_image = getNextImage();
    document[ place ].src   = new_image;
    document[ place ].alt   = caption_list[ image_index ];
    document[ place ].title = caption_list[ image_index ];
    
    //skip it the first time;
    if ( rotate_caption ) {
        setCaption( captionDiv );
    }
    
    rotate_caption = true;
    var recur_call = "rotateImage('" + place + "', '" + captionDiv + "')";
    setTimeout( recur_call, interval );
    
}
//  End -->