var rand1 = 0;
var useRand = 0;

images = new Array;
images[1] = new Image();
images[1].src = "images/image1.jpg";
images[2] = new Image();
images[2].src = "images/image2.jpg";
images[3] = new Image();
images[3].src = "images/image3.jpg";
images[4] = new Image();
images[4].src = "images/image4.jpg";
images[5] = new Image();
images[5].src = "images/image5.jpg";
images[6] = new Image();
images[6].src = "images/image6.jpg";
images[7] = new Image();
images[7].src = "images/image7.jpg";
images[8] = new Image();
images[8].src = "images/image8.jpg";
images[9] = new Image();
images[9].src = "images/image9.jpg";
images[10] = new Image();
images[10].src = "images/image10.jpg";

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		firmprofileover = newImage("images/firmprofileover.gif");
		whyzsaover = newImage("images/whyzsaover.gif");
		attlistingsover = newImage("images/attlistingsover.gif");
		practiceareasover = newImage("images/practiceareasover.gif");
		attclientsover = newImage("images/attclientsover.gif");
		contactusover = newImage("images/contactusover.gif");
		preloadFlag = true;
	}
}

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;
}