Image1 = new Image(405,195)
Image1.src = "http://oceanswatch.org/themes/site/images/namap.gif"

Image2 = new Image(405,195)
Image2.src = "http://oceanswatch.org/themes/site/images/eumap.gif"

Image3 = new Image(405,195)
Image3.src = "http://oceanswatch.org/themes/site/images/aumap.gif"

Image4 = new Image(405,195)
Image4.src = "http://oceanswatch.org/themes/site/images/nzmap.gif"

Image5 = new Image(405,195)
Image5.src = "http://oceanswatch.org/themes/site/images/regions.gif"


function namap() {
document.emp.src = Image1.src; return true;
}

function eumap() {
document.emp.src = Image2.src; return true;
}

function aumap() {
document.emp.src = Image3.src; return true;
}

function nzmap() {
document.emp.src = Image4.src; return true;
}

function original() {
document.emp.src = Image5.src; return true;
}