isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
var detail_visible = "blank";
function gShowHideDetail( id ){
	if (isNS4) {
	   objElement1 = document.layers[id];
	   objElement2 = document.layers[detail_visible];
	} else if (isIE4) {
	   objElement1 = document.all[id].style;
	   objElement2 = document.all[detail_visible].style;
	} else if (isIE5 || isNS6) {
	   objElement1 = document.getElementById(id).style;
	   objElement2 = document.getElementById(detail_visible).style;
	}
	
	if ( id != detail_visible ){
		if(isNS4){
		   objElement1.visibility ="visible";
		   objElement2.visibility ="hidden";
		} else if(isIE4){
			   objElement1.visibility ="visible";
			   objElement2.visibility ="hidden";
		} else if (isIE5 || isNS6) {
				objElement1.display = "";
				objElement2.display = "none";
		}
		detail_visible = id;
	}
}