curr="";
function showLayer(Id){
if (document.all) {
document.all[Id].style.visibility = "visible";
} else if (document.layers){
document.layers[Id].visibility = "show";
} else if (document.getElementById){
document.getElementById(Id).style.visibility = "visible";
}
}
function hideLayer(Id){
if (document.all) {
document.all[Id].style.visibility = "hidden";
} else if (document.layers){
document.layers[Id].visibility = "hide";
} else if (document.getElementById){
document.getElementById(Id).style.visibility = "hidden";
}
}