function clearField(theField){
theField.value = "";}

function reDoPage(init) { 
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.pgW=innerWidth; document.pgH=innerHeight; onresize=reDoPage; }}
else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();}
reDoPage(true);

function showHide(){
var a = showHide.arguments;
if(a.length>0) a = new Array('sub'+a[0], 'close'+a[0],a[0]);
if(!document.layerSet){
if(a.length > 0){aLayers = new Array();for(i=0; i<a.length-1;i++)aLayers[i] = a[i];document.layerSet = true;}}
else{theIndex = aLayers[0].charAt(3);
for(i=0;i<aLayers.length;i++){if(document.layers)document.layers[aLayers[i]].visibility='hide';
else if(document.getElementById)document.getElementById(aLayers[i]).style.visibility='hidden';
else if(document.all)document.all(aLayers[i]).style.visibility='hidden';}}
if(a.length > 0){for(i=0; i<a.length-1;i++){aLayers[i] = a[i];
if(document.layers)document.layers[aLayers[i]].visibility='show';
else if(document.getElementById)document.getElementById(aLayers[i]).style.visibility='visible';
else if(document.all)document.all(aLayers[i]).style.visibility='visible';}}}