// JavaScript Document

// Courtesy of SimplytheBest.net (http://simplythebest.net/info/dhtml_scripts.html) 
// add to right side ad rotation here 

function create() {

	this.width = '';
	this.height = '';
	this.src = '';
	this.alt ='';
	this.usemap ='';
	this.mapurl ='';
};

tchrarts = new Array();
tchrarts[1] = new create();
tchrarts[1].width = "245";
tchrarts[1].height = "239";
tchrarts[1].src = "/ep45/graphics/shared/art_mkt_ahd.jpg"; 
tchrarts[1].alt = "american heritage dictionary learn more";
tchrarts[1].usemap = "#mkt_link";
tchrarts[1].mapurl = "<map id='mkt_link' name='mkt_link'><area shape='rect' coords='140,220,236,238' href='/marketing/ahd_activities_brochure_2009.pdf' target='_blank' alt='learn more' /></map>";

// tchrarts[2] = new create();
// tchrarts[2].width = "245";
// tchrarts[2].height = "239";
// tchrarts[2].src = "/ep45/graphics/nav_e/art_mkt_exsci.jpg"; 
// tchrarts[2].alt = "Houghton Mifflin Experience Science Learn More";
// tchrarts[2].usemap = "#mkt_link";
// tchrarts[2].mapurl = "<map id='mkt_link' name='mkt_link'><area shape='rect' coords='140,220,236,238' href='/marketing/expsci/eso.html' alt='Product Tour' /></map>";
// 
// tchrarts[3] = new create();
// tchrarts[3].width = "245";
// tchrarts[3].height = "239";
// tchrarts[3].src = "/ep45/graphics/nav_e/art_mkt_olb.gif"; 
// tchrarts[3].alt = "Houghton Mifflin Online Leveled Books Learn More";
// tchrarts[3].usemap = "#mkt_link";
// tchrarts[3].mapurl = "<map id='mkt_link' name='mkt_link'><area shape='rect' coords='140,220,236,238' href='/marketing/leveledbooks/sampler/' alt='Product Tour' /></map>";
// 
// tchrarts[4] = new create();
// tchrarts[4].width = "245";
// tchrarts[4].height = "239";
// tchrarts[4].src = "/ep45/graphics/nav_e/art_mkt_prek.gif"; 
// tchrarts[4].alt = "Houghton Mifflin Pre-K Learn More";
// tchrarts[4].usemap = "#mkt_link";
// tchrarts[4].mapurl = "<map id='mkt_link' name='mkt_link'><area shape='rect' coords='140,220,236,238' href='/marketing/prek/' alt='Product Tour' /></map>";
// 
// tchrarts[5] = new create();
// tchrarts[5].width = "245";
// tchrarts[5].height = "239";
// tchrarts[5].src = "/ep45/graphics/shared/art_te_girl03.jpg"; 
// tchrarts[5].alt = "a picture of a girl with a laptop computer";
// tchrarts[5].usemap = "";
// tchrarts[5].mapurl = "";
// 
// tchrarts[6] = new create();
// tchrarts[6].width = "245";
// tchrarts[6].height = "239";
// tchrarts[6].src = "/ep45/graphics/shared/art_te_boy03.jpg"; 
// tchrarts[6].alt = "a picture of a boy with a laptop computer";
// tchrarts[6].usemap = "";
// tchrarts[6].mapurl = "";
// 
// tchrarts[7] = new create();
// tchrarts[7].width = "245";
// tchrarts[7].height = "239";
// tchrarts[7].src = "/ep45/graphics/shared/art_mkt_assmnt.jpg"; 
// tchrarts[7].alt = "Houghton Mifflin Assessment System";
// tchrarts[7].usemap = "#mkt_link";
// tchrarts[7].mapurl = "<map id='mkt_link' name='mkt_link'><area shape='rect' coords='140,220,236,238' href='/assessment/resources/' alt='Product Tour' /></map>";
// 
// tchrarts = new Array();
// tchrarts[8] = new create();
// tchrarts[8].width = "245";
// tchrarts[8].height = "239";
// tchrarts[8].src = "/ep45/graphics/shared/art_te_girls.jpg"; 
// tchrarts[8].alt = "a picture of two girls smiling";
// tchrarts[8].usemap = "";
// tchrarts[8].mapurl = "";

// var numtchrarts = 8;
var numtchrarts = 1;

// select a random integer between 1 and numprntarts inclusive

var n = Math.ceil(numtchrarts * Math.random())
var image = tchrarts[n];
var tchrart = "";
tchrart += '<img src="' + image.src + '"';
tchrart += ' alt="' + image.alt + '"';
tchrart += ' width="' + image.width + '" height="' + image.height + '"';
tchrart += ' usemap="' + image.usemap + '"';
tchrart += ' />';
tchrart += image.mapurl;

// art for parents site rotation


prntarts = new Array();
prntarts[1] = new create();
prntarts[1].width = "245";
prntarts[1].height = "239";
prntarts[1].src = "/ep45/graphics/shared/art_fe_boy.jpg";
prntarts[1].alt = "a picture of a boy with a book";

prntarts[2] = new create();
prntarts[2].width = "245";
prntarts[2].height = "239";
prntarts[2].src = "/ep45/graphics/shared/art_fe_mom.jpg";
prntarts[2].alt = "a picture of a mother and daughter looking at a computer";

var numprntarts = 2;
// select a random integer between 1 and numprntarts inclusive

var n = Math.ceil(numprntarts * Math.random())
var image = prntarts[n];
var prntart = "";
prntart += '<img src="' + image.src + '"';
prntart += ' alt="' + image.alt + '"';
prntart += ' width="' + image.width + '" height="' + image.height + '"';
prntart += ' />';



// art for students site rotation

stdntarts = new Array();
stdntarts[1] = new create();
stdntarts[1].width = "245";
stdntarts[1].height = "239";
stdntarts[1].src = "URL";
stdntarts[1].alt = "undefined art";

stdntarts[2] = new create();
stdntarts[2].width = "245";
stdntarts[2].height = "239";
stdntarts[2].src = "URL";
stdntarts[2].alt = "undefined art";

stdntarts[3] = new create();
stdntarts[3].width = "245";
stdntarts[3].height = "239";
stdntarts[3].src = "URL";
stdntarts[3].alt = "undefined art";

var numstdntarts = 3;
// select a random integer between 1 and numstdntads inclusive
var n = Math.ceil(numstdntarts * Math.random())
var image = stdntarts[n];
var stdntarts = "";
stdntarts += '<img src="' + image.src + '"';
stdntarts += ' alt="' + image.alt + '"';
stdntarts += ' width="' + image.width + '" height="' + image.height + '"';
stdntarts += ' />';