// Preload the on states of the tabs for quicker response

image_shopping = new Image();
image_shopping.src = "nav_shopping_on.gif";

image_website = new Image();
image_website.src = "nav_website_on.gif";

image_contact = new Image();
image_contact.src = "nav_contact_on.gif";

image_services = new Image();
image_services.src = "nav_services_on.gif";

image_remembermrc = new Image();
image_remembermrc.src = "nav_remembermrc_on.gif";

image_international = new Image();
image_international.src = "nav_international_on.gif";




// Pass in the random frequencies of the tabs

var shopping_freq = 10; 
var website_freq = 20; 
var hadware_freq = 30; 
var services_freq = 40; 
var remembermrc_freq = 50; 
var international_freq = 60; 

var shopping_freq = 100;


// Random Equation which determines which tab to show
var randomColoredTab;
var randomColoredSeed = Math.ceil(100*Math.random(100));
if (randomColoredSeed <= shopping_freq) {
randomColoredTab = 'shopping';
} else if (randomColoredSeed <= website_freq) {
randomColoredTab = 'software';
} else if (randomColoredSeed <= contact_freq) {
randomColoredTab = 'contact';
} else if (randomColoredSeed <= services_freq) {
randomColoredTab = 'security';
} else if (randomColoredSeed <= remembermrc_freq) {
randomColoredTab = 'remembermrc';
} else if (randomColoredSeed <= international_freq) {
randomColoredTab = 'international';

} else {
randomColoredTab = 'shopping';
}


// Function which actually swaps tabs
function changeColoredTab (tabname) {
document.getElementById('tab_shopping').style.display = 'none';
document.getElementById('tab_website').style.display = 'none';
document.getElementById('tab_contact').style.display = 'none';
document.getElementById('tab_services').style.display = 'none';
document.getElementById('tab_remembermrc').style.display = 'none';
document.getElementById('tab_international').style.display = 'none';

document.getElementById('tab_'+tabname).style.display = 'block';

document.getElementById('tabnav_shopping').src = 'nav_shopping_off.gif';
document.getElementById('tabnav_website').src = 'nav_website_off.gif';
document.getElementById('tabnav_contact').src = 'nav_contact_off.gif';
document.getElementById('tabnav_services').src = 'nav_services_off.gif';
document.getElementById('tabnav_remembermrc').src = 'nav_remembermrc_off.gif';
document.getElementById('tabnav_international').src = 'nav_international_off.gif';


document.getElementById('tabnav_'+tabname).src = 'nav_'+tabname+'_on.gif';
//document.getElementById('logo_'+tabname).src = eval(tabname+'logo');
}