// JavaScript Document

var imagenumber = 3 ;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;

images = new Array;
images[1] = "images/osb_header.gif";
images[2] = "images/osb_header.gif";
images[3] = "images/osb_header.gif";

var img_src = images[rand1];

var headerImage = "<img src=\""+img_src+"\" id=\"ovts_header\" alt=\"Ottawa Venture and Technology Summit 2006\" title=\"Ottawa Venture and Technology Summit 2006. October 10-12, 2006.  Hilton Lac-Lemy and Casino.\"width=\"800\" height=\"292\" border=\"0\" vspace=\"0\" />";



//alert(headerImage);


function randomBKG() {
	var imageNum = 5 ;
	var randomNum = Math.random() ;
	var rand2 = Math.round( (imageNum-1) * randomNum) + 1 ;
	
	imageArray = new Array;
	imageArray[1] = "osbf_sub_header.jpg";
	imageArray[2] = "osbf_sub_header.jpg";
	imageArray[3] = "osbf_sub_header.jpg";
	imageArray[4] = "osbf_sub_header.jpg";
	imageArray[5] = "osbf_sub_header.jpg";
	
	var imgSrc = imageArray[rand2];
	var imgURL = "#98390A url('images/"+imgSrc+"')";
	//alert(imgURL);
	
	subhead = document.getElementById('subheader');
	subhead.style.background = imgURL;
	
}