function hidediv(hideShow) {

if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById(hideShow).style.display = 'none';
}
else {
if (document.layers) { // Netscape 4
document.hideShow.display = 'none';
}
else { // IE 4
document.all.hideShow.style.visibility = 'none';
}
}
}

function showdiv(hideShow) {
if (document.getElementById) { // DOM3 = IE5, NS6
document.getElementById(hideShow).style.display = 'block';
}
else {
if (document.layers) { // Netscape 4
document.hideShow.display = 'block';
}
else { // IE 4
document.all.hideShow.style.display = 'block';
}
}
}

function getURLParam(strParamName){
var strReturn = "";
var strHref = window.location.href;
if ( strHref.indexOf("?") > -1 ){
var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
var aQueryString = strQueryString.split("&");
for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
var aParam = aQueryString[iParam].split("=");
strReturn = aParam[1];
break;
}
}
}
return strReturn;
}

function hidestrmap(paramname){
var mapyn = getURLParam(paramname);
if (mapyn.length > 0) {
	hidediv('austmap');
	showdiv('maplinkdiv');
	hidediv('austtextdiv');
}
}