function mouseOver()
{
document.getElementById("b1").src="logo5-goback_new.jpg"
document.getElementById("b2").src="mark_at_restaurant2.jpg"
}
function mouseOut()
{
document.getElementById("b1").src="top_blue_logo.jpg"
document.getElementById("b2").src="http://www.findenglishteacher.com/mark_at_restaurant.jpg"
}