function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }


function initateAtlasOver(region, toval) {
document.getElementById(region).style.display = "";
document.voyagesearchform.ToRegion.value = toval;
document.voyagesearchform.FromRegion.value = "7";

}



function locationsHide(region)
{document.getElementById(region).style.display = "none";}


<!--
function checkForm(form) {
for (var i=0; i<form.button.length; i++) {
	if (form.button.checked == false) {
		alert("you have to choose a button");
		return false;
	}
}
alert("this is not working");
}


function makeVis(divID) {


		document.getElementById('latestoffer2').style.visibility = "hidden";
		document.getElementById('latestoffer2').style.display = "none";
		
		document.getElementById('expect2').style.visibility = "hidden";
		document.getElementById('expect2').style.display = "none";
		
		document.getElementById('askcaptain2').style.visibility = "hidden";
		document.getElementById('askcaptain2').style.display = "none";
		
		document.getElementById('programme2').style.visibility = "hidden";
		document.getElementById('programme2').style.display = "none";
		
		document.getElementById('book2').style.visibility = "hidden";
		document.getElementById('book2').style.display = "none";
		
		document.getElementById('contact2').style.visibility = "hidden";
		document.getElementById('contact2').style.display = "none";
		
	
		document.getElementById(divID).style.visibility = "visible";
		document.getElementById(divID).style.display = "";
}