// <!--
// The Central Randomizer 1.3 (C) 1997 by Paul Houle (houle@msc.cornell.edu)
// See:  http://www.msc.cornell.edu/~houle/JavaScript/randomizer.html

rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
};

function rand(number) {
        return Math.ceil(rnd()*number);
};

// end central randomizer. -->
	
	var slideImage = new Array(3); // create array;

	// ********* user configurable variables *********
	var numCycles = 12; // number of times the slideshow cycles
	var slideDelay = 3000; // amount of time between slides in 1/1000's of a second (1000 = 1 second).

	// assign image names
	slideImage[0] = "/imgs/home/bg_masthead.jpg"; // first image
	slideImage[1] = "/imgs/careers/bg_masthead.jpg"; // second image
	slideImage[2] = "/imgs/customer_service/claims/bg_masthead.jpg"; // third image
	slideImage[3] = "/imgs/bg_masthead/bg_masthead_highwire.jpg"; // fourth image
	slideImage[4] = "/imgs/bg_masthead/bg_masthead_meter.jpg"; // fifth image
	// ********* end user configurable variables *********

	// code starts, initialize variables
	var to;
	var imageMark = 0;
	var counter=0;

	// function to preload images
	function preload() {
		image01 = new Image();
		image01.src = slideImage[0];
		image02 = new Image();
		image02.src = slideImage[1];
		image03 = new Image();
		image03.src = slideImage[2];
		image04 = new Image();
		image04.src = slideImage[3];
		image05 = new Image();
		image05.src = slideImage[4];
		
	}

	// function to cycle slides
	function slideShow() {
	if ( counter < ((numCycles*slideImage.length)+1) ) {
			reassign();
			counter++;
			to = window.setTimeout('slideShow();',slideDelay);	
		}
	}

	// function that swaps slides
	function reassign() {
		if (imageMark == slideImage.length) {
			imageMark = 0;
			}

		// alert(slideImage[imageMark]);
		img.backgroundImage = "url(" + slideImage[imageMark] + ")";
		imageMark++;
	}

	function pickRandomSlide() {
		var rndNum = rand(4)-1;
		img.backgroundImage = "url(" + slideImage[rndNum] + ")";
	
	}