function toggleDiv(objid,vis)
{
	var obj;
	try {
		if(objid.parentNode){
			//it's an object. we needn't do anything
			obj = objid;
		} else {
			//it's not an object
			obj = document.getElementById(objid);
		}
	} catch(e) {
		//it's not an object and the browser errors on undefined properties
		obj = document.getElementById(objid);
	}
	if(vis){		
		if (obj.style.visibility == 'hidden') {
			obj.style.visibility = 'visible';
		} else {
			obj.style.visibility = 'hidden';
		}
	} else {
		if (obj.style.display == 'none') {
			obj.style.display = 'block';
		} else {
			obj.style.display = 'none';
		}
	}
	return true;
}