var sidebar_picture_list = new Array();

var sidebar_picture_list_alt = new Array();

sidebar_picture_list[0] = 'http://www.sa.mtu.edu/stulife/leadership/sidebarimages/lecture2.jpg';
sidebar_picture_list_alt[0] = 'lecture2.jpg';
sidebar_picture_list[1] = 'http://www.sa.mtu.edu/stulife/leadership/sidebarimages/lecture.jpg';
sidebar_picture_list_alt[1] = 'lecture.jpg';
sidebar_picture_list[2] = 'http://www.sa.mtu.edu/stulife/leadership/sidebarimages/leadershape2005circle.jpg';
sidebar_picture_list_alt[2] = 'leadershape2005circle.jpg';
sidebar_picture_list[3] = 'http://www.sa.mtu.edu/stulife/leadership/sidebarimages/robadvertisesleadershape.jpg';
sidebar_picture_list_alt[3] = 'robadvertisesleadershape.jpg';
sidebar_picture_list[4] = 'http://www.sa.mtu.edu/stulife/leadership/sidebarimages/leadershape2005circle2.jpg';
sidebar_picture_list_alt[4] = 'leadershape2005circle2.jpg';

//function to return the url for a random image
function newSidebarImage() {

	var random_number = Math.floor( Math.random()*sidebar_picture_list.length );
	
	var imageline = '<img src="'+sidebar_picture_list[random_number]+'" width="220" alt="'+sidebar_picture_list_alt[random_number]+'">';
		
	return imageline;
}