// ARRAYS FOR MODEL PHOTOS:
var top_imgs = new Array("img01_top.jpg", "img02_top.jpg", "img03_top.jpg");
var mid_imgs = new Array("img01_mid.jpg", "img02_mid.jpg", "img03_mid.jpg");
var bottom_imgs = new Array("img01_bottom.jpg", "img02_bottom.jpg", "img03_bottom.jpg");
// ARRAYS FOR SUBNAV:
var blank_imgs = new Array("subnav_blank_img01.jpg", "subnav_blank_img02.jpg", "subnav_blank_img03.jpg"); 
var sitemap_imgs = new Array("subnav_sitemap_img01.jpg", "subnav_sitemap_img02.jpg", "subnav_sitemap_img03.jpg");
var contact_imgs = new Array("subnav_contact_img01.jpg", "subnav_contact_img02.jpg", "subnav_contact_img03.jpg");
// ARRAYS FOR PRIMARY NAV:
var news_imgs =  new Array("nav_news_img01_", "nav_news_img02_", "nav_news_img03_"); 
var careers_imgs =  new Array("nav_careers_img01_", "nav_careers_img02_", "nav_careers_img03_"); 

// PRIMARY NAV:
var nav_image_roots = new Array("nav_about", "nav_expert", "nav_div", "nav_news", "nav_careers");
var len = nav_image_roots.length;

for (var i=0; i<len; i++) {
	eval("var " + nav_image_roots[i] + "_on = new  Image();");
	eval(nav_image_roots[i] + "_on.src = 'images/masthead/nav/" + nav_image_roots[i] + "_on.gif';");
	eval("var " + nav_image_roots[i] + "_off = new  Image();");
	eval(nav_image_roots[i] + "_off.src = 'images/masthead/nav/" + nav_image_roots[i] + "_off.gif'");
}

function doRandomNumber() {
	var ran = Math.round(Math.random() * 2);
	return ran;
}

var tmp = doRandomNumber();

// MODEL IMAGES:
var top_image = new Image();
top_image.src = eval("'images/" + top_imgs[tmp] + "'");
var mid_image = new Image();
mid_image.src = eval("'images/" + mid_imgs[tmp] + "'");
var bottom_image = new Image();
bottom_image.src = eval("'images/" + bottom_imgs[tmp] + "'"); 
// SUBNAV IMAGES:
var blank_image = new Image();
blank_image.src = eval("'images/masthead/subnav/" + blank_imgs[tmp] + "'"); 
var sitemap_image_off = new Image();
sitemap_image_off.src = eval("'images/masthead/subnav/" + sitemap_imgs[tmp] + "'"); 
var contact_image_off = new Image();
contact_image_off.src = eval("'images/masthead/subnav/" + contact_imgs[tmp] + "'"); 
// PRIMARY NAV IMAGES:
nav_news_off.src = eval("'images/masthead/nav/" + news_imgs[tmp] + "off.jpg'"); 
nav_news_on.src = eval("'images/masthead/nav/" + news_imgs[tmp] + "on.jpg'"); 
nav_careers_off.src = eval("'images/masthead/nav/" + careers_imgs[tmp] + "off.jpg'"); 
nav_careers_on.src = eval("'images/masthead/nav/" + careers_imgs[tmp] + "on.jpg'"); 

function drawTopModelImage() {
	document.open();
	document.write('<img name="model_top" id="model_top" src="' + top_image.src + '" width="192" height="19" alt="" border="0">');
	document.close();
}
function drawMiddleModelImage() {
	document.open();
	document.write('<img name="model_mid" id="model_mid" src="' + mid_image.src + '" width="192" height="65" alt="" border="0">');
	document.close();
}	
function drawBottomModelImage() {
	document.open();
	document.write('<img name="model_bottom" id="model_bottom" src="' + bottom_image.src + '" width="192" height="309" alt="" border="0">');
	document.close();
}
function drawSubNav() {
	document.open();
	document.write('<td><img id="subnav_home" name="subnav_home" src="' + blank_image.src + '" width="51" height="14" alt="home" border="0"></td>')
	document.write('<td><a href="sitemap.html"><img id="subnav_sitemap" name="subnav_sitemap" src="' + sitemap_image_off.src + '" width="68" height="14" alt="site map" border="0"></a></td>');
	document.write('<td><a href="contact.html"><img id="subnav_contact" name="subnav_contact" src="' + contact_image_off.src + '" width="73" height="14" alt="contact us" border="0"></a></td>');
	document.close();
}
function drawRandomNavElements() {
	document.open();
	document.write('<td><a href="news.html" onMouseover="highlite(\'nav_news\', \'on\');" onMouseout="highlite(\'nav_news\', \'off\');"><img id="nav_news" name="nav_news" src="' + nav_news_off.src + '" width="119" height="16" alt="PCC in the News" border="0"></a></td>');
	document.write('<td><a href="careers.html" onMouseover="highlite(\'nav_careers\', \'on\');" onMouseout="highlite(\'nav_careers\', \'off\');"><img id="nav_careers" name="nav_careers" src="' + nav_careers_off.src + '" width="73" height="16" alt="Careers" border="0"></a></td>');
	document.close();
}