var selected_id = null; 
var dom = document.getElementById; 
function swapIt(id, newclass) { 
if (dom) { 
if(selected_id != id) { 
el = document.getElementById(id); 
el.className = newclass; 
el.style.cursor = "hand"; 
el.style.cursor = "pointer"; 
		} 
	} 
}