function toggle(id) { 
		var linkID = id+'_link';
		var showElem = document.getElementById(id);
		if (showElem.style.display!='none'){
			showElem.style.display = 'none';
//		document.all(linkID).innerText = ' + ';
		}
		else{
			showElem.style.display = 'block';
	//		document.all(linkID).innerText = ' -- ';
		}
		return false;
	}