function load_images() 
{
var image1 = new Image();
image1.src = '/images/sidebar/home_lit.gif';
var image2 = new Image();
image2.src = '/images/sidebar/services_lit.gif';
var image3 = new Image();
image3.src = '/images/sidebar/residential_lit.gif';
var image4 = new Image();
image4.src = '/images/sidebar/commercial_lit.gif';
var image5 = new Image();
image5.src = '/images/sidebar/faq_lit.gif';
var image6 = new Image();
image6.src = '/images/sidebar/proposal_lit.gif';
var image7 = new Image();
image7.src = '/images/sidebar/customer_lit.gif';	
var image8 = new Image();
image8.src = '/images/sidebar/contact_lit.gif';	
}

var rand1 = 0;
var useRand = 0;

images = new Array;
images[1] = new Image();
images[1].src = "/images/random/1.jpg";
images[2] = new Image();
images[2].src = "/images/random/2.jpg";
images[3] = new Image();
images[3].src = "/images/random/3.jpg";
images[4] = new Image();
images[4].src = "/images/random/4.jpg";
images[5] = new Image();
images[5].src = "/images/random/5.jpg";
images[6] = new Image();
images[6].src = "/images/random/6.jpg";
images[7] = new Image();
images[7].src = "/images/random/7.jpg";
images[8] = new Image();
images[8].src = "/images/random/8.jpg";
images[9] = new Image();
images[9].src = "/images/random/9.jpg";
images[10] = new Image();
images[10].src = "/images/random/10.jpg";
images[11] = new Image();
images[11].src = "/images/random/11.jpg";
images[12] = new Image();
images[12].src = "/images/random/12.jpg";
images[13] = new Image();
images[13].src = "/images/random/13.jpg";
images[14] = new Image();
images[14].src = "/images/random/14.jpg";
images[15] = new Image();
images[15].src = "/images/random/15.jpg";
images[16] = new Image();
images[16].src = "/images/random/16.jpg";


function swapPic() {
var imgnum = images.length - 1;
do {
var randnum = Math.random();
rand1 = Math.round((imgnum - 1) * randnum) + 1;
} while (rand1 == useRand);
useRand = rand1;
document.randimg.src = images[useRand].src;
}