var state = 'none';
var estate = 'none';

function showhidespe(layer_ref) {
if (estate == 'block') {
estate = 'none';
}
else {
estate = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = estate");
if (estate == 'block' && state == 'block') {
state = 'none';
layer_ref = 'rurhid';
eval( "document.all." + layer_ref + ".style.display = state");
} 
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById && !document.all) {
maxwell_smart = document.getElementById(layer_ref);
maxwell_smart.style.display = estate;

if (estate == 'block' && state == 'block') {
state = 'none';
layer_ref = 'rurhid';
maxwell_smart = document.getElementById(layer_ref);
maxwell_smart.style.display = state;
} 

}
}

function showhidespr(layer_ref) {
if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
if (estate == 'block' && state == 'block') {
estate = 'none';
layer_ref = 'edinhid';
eval( "document.all." + layer_ref + ".style.display = estate");
} 
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById && !document.all) {
maxwell_smart = document.getElementById(layer_ref);
maxwell_smart.style.display = state;

if (estate == 'block' && state == 'block') {
estate = 'none';
layer_ref = 'edinhid';
maxwell_smart = document.getElementById(layer_ref);
maxwell_smart.style.display = estate;
} 

}
}