function changeImage(el) {
el.src="http://images-9.saatchi-gallery.co.uk/imgs/ballon2.gif";
el.onmouseout=function() {
el.src="http://images-9.saatchi-gallery.co.uk/imgs/ballon3.gif";

}
}

function sendForm(rAction, rFormName){
	baseUrl = 'http://www.saatchi-gallery.co.uk/artists/';
	document[rFormName].action = baseUrl + rAction;
	document[rFormName].submit();
}