var isDHTML = 0;
var isID = 0;
var isAll = 0;
var isLayers = 0;

if(document.getElementById) {isID = 1; isDHTML = 1;}
else {
	if (document.all) {
		isAll = 1;
		isDHTML = 1;}
	else {
		browserVersion = parseInt(navigator.appVersion);
	if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {isLayers = 1;
	    isDHTML = 1;}
  }}
function finddom(objectID,withStyle) {
	if (withStyle == 1) {
		if (isID) { return (document.getElementById(objectID).style) ; }
		else {
			if (isAll) { return (document.all[objectID].style); }
		else {
			if (isLayers) { return (document.layers[objectID]); }
		};}
	}
	else {
		if (isID) { return (documetn.getElementById(objectID)) ; }
		else {
			if (isAll) { return (document.all[objectID]); }
		else {
			if (isLayers) { return (document.layers[objectID]);
			}
	};}
}
}


	function setVisibility(objectID,state){
		var dom = finddom(objectID,1);
		dom.visibility = state;
	}

	function toggleVisibility(objectID) {
		var dom = finddom(objectID,1);
		state= dom.visibility;
		if (state =='hidden' || state =='hide' )
			  dom.visibility = 'visible' ;
		else {
			if (state == 'visible' || state =='show')
			  dom.visibility = 'hidden';
			  else dom.visibility = 'visible' ;
			 }
	}

	function findVisibility(objectID) {
	  var dom = finddom(objectID,1);
		if ((dom.visibility == 'show') || (dom.visibility == 'visible')) {
			return 'visible'; }
		return 'hidden';
	 }
	 	function showVisibility(objectID) {
			var thisVis = findVisibility(objectID);
			alert('Visibility status: ' + thisVis);
		}