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function setDivDisplay(value) {
if(document.getElementById) {
var nav = document.getElementById('disp').style;
nav.display = value;
return true;
}
return false;
}
function hide() {
setDivDisplay("none");
}
//window.onload = hide;

function setVisibility(id, visibility) {
hide();
document.getElementById(id).style.display = visibility;}
// -->