function navOverHome()
{
document.nav_home.src ="http://www.firstrooms.com/images/nav_gray_home.jpg";
}

function navOutHome()
{
document.nav_home.src ="http://www.firstrooms.com/images/nav_orange_home.jpg";
}

function navOverPostings()
{
document.nav_postings.src ="http://www.firstrooms.com/images/nav_gray_postings.jpg";
}
function navOutPostings()
{
document.nav_postings.src ="http://www.firstrooms.com/images/nav_orange_postings.jpg";
}

function navOverRegister()
{
document.nav_register.src ="http://www.firstrooms.com/images/nav_gray_register.jpg";
}

function navOutRegister()
{
document.nav_register.src ="http://www.firstrooms.com/images/nav_orange_register.jpg";
}

function navOverMyRooms()
{
document.nav_myrooms.src ="http://www.firstrooms.com/images/nav_gray_myrooms.jpg";
}
function navOutMyRooms()
{
document.nav_myrooms.src ="http://www.firstrooms.com/images/nav_orange_myrooms.jpg";
}

function navOverContact()
{
document.nav_contact.src ="http://www.firstrooms.com/images/nav_gray_contact.jpg";
}
function navOutContact()
{
document.nav_contact.src ="http://www.firstrooms.com/images/nav_orange_contact.jpg";
}