// JavaScript Document
var isDOM2 = false;
var isNS4  = false;
var isIE4  = false;
if (window.document.getElementById){
	isDOM2 = true;
}

if (window.document.layers){
	isNS4 = true;
}

if (window.document.all && !(window.document.getElementById)){
	isIE4 = true;
}

function getObj(id){
	var obj;

	if (isNS4){
		obj = eval('document.layers["' + id + '"]');
	}else if (isIE4){
		obj = eval('document.all["' + id + '"]');
	}else if (isDOM2){
		obj = eval('document.getElementById("' + id + '")');
	}
	return obj;
}

function objHide(obj){
	if (isNS4){
		obj.visibility = "hide";
	}else if (isIE4 || isDOM2){
		//obj.visibility = "hidden";
		obj.display = "none";
	}
}

function objShow(obj){
	if (isNS4){
		obj.visibility = "show";
	}else if (isIE4 || isDOM2){
		//obj.visibility = "visible";
		obj.display = "block";
	}
}

function ShowHideHelp(objThis){
	if (getObj(objThis).style.display == "none"){
	  getObj(objThis).style.display = "";
	} else {
	  getObj(objThis).style.display = "none";
	} 
}