function handleClick(id) {
	var obj = "";	

	// Check browser compatibility
	if(document.getElementById)
		obj = document.getElementById(id);
	else if(document.all)
		obj = document.all[id];
	else if(document.layers)
		obj = document.layers[id];
		else
			return 1;

	if (!obj) {
		return 1;
	}
		else if (obj.style) 
	{			
		obj.style.display = ( obj.style.display != "none" ) ? "none" : "";
	}
		else 
	{ 
		obj.visibility = "show"; 
	}
}