//Comma seperated list of images to rotate
var images = new Array('images/homepage_pic.jpg','images/lassen_manzanita.jpg','images/shasta_dusk.jpg','images/burneyfalls.jpg','images/boardchambers.jpg');
var imageDesc = new Array('Mt. Shasta','Mt. Lassen & Manzanita Lake','Shasta Lake & Mt. Shasta','Burney Falls','Board Chambers');
var imageHeight = 155;
var imageWidth = 230;

//delay in milliseconds between image swaps 1000 = 1 second
var delay = 8000;
var counter = 0;
var counter= Math.floor(Math.random()*5);

function rotateImages()
{
	if(counter == (images.length))
	{
		counter = 0;
	}
	var pic = document.getElementById("homePic");
	pic.style.backgroundImage = "url(\"" + images[counter] + "\")";
	pic.style.backgroundRepeat = "no-repeat";
	pic.style.height = imageHeight + "px";
	pic.style.width = imageWidth + "px";
	
	pic.innerHTML = '<div class="pic_caption">' + imageDesc[counter] + '</div>';
	
	counter++;
	setTimeout('rotateImages()', delay);
}