var rand1 = 0;
var useRand = 0;
var quoteCount = 5;

images = new Array;
images[1] = new Image();
images[1].src = "pg_images/banner1.jpg";
images[2] = new Image();
images[2].src = "pg_images/banner2.jpg";
images[3] = new Image();
images[3].src = "pg_images/banner3.jpg";
images[4] = new Image();
images[4].src = "pg_images/banner4.jpg";

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

}

function getRndQuote()
{

	var quotenum = quoteCount;
	var divID = "";

	do {
		var randnum = Math.random();
		rand1 = Math.round((quotenum - 1) * randnum) + 1;
	} while (rand1 == useRand);
	useRand = rand1;
	divID = "quote_" + useRand;

	document.getElementById(divID).style.display = "block";
	document.getElementById(divID).style.visibility = "visible";
} 

function getNextQuote(i)
{
	var hideDiv = "quote_" + i;
	var showDiv = "";

	if ( i == quoteCount )
	{
		showDiv = "quote_1";
	}
	else
	{
		i++;
		showDiv = "quote_" + i;
	}

	document.getElementById(hideDiv).style.display = "none";
	document.getElementById(hideDiv).style.visibility = "hidden";

	document.getElementById(showDiv).style.display = "block";
	document.getElementById(showDiv).style.visibility = "visible";	
}