function showlayer(LayerName) {
//alert("showlayer");
var VState = document.getElementById(LayerName).style.display;
if (VState=="none") {
document.getElementById(LayerName).style.display = "inline";
} else {
hidelayer(LayerName);
}
} //end function
function hidelayer(LayerName) {
//alert("hidelayer");
var VState = document.getElementById(LayerName).style.display;
if (VState=="inline") {
document.getElementById(LayerName).style.display = "none";
}
} //end function