var active;

function SetActive(prod_link) {

	if(!document.getElementById) return true;	
	var prod_id = prod_link.parentNode;
	var prod_name = prod_id.getAttribute("id");	
	
	if(active) {
		/*active.removeAttribute('class');*/
		active.className=''; 
	}	

	if(!prod_id.className) {
		prod_class = prod_name + '-active';
		prod_id.className = prod_class;
	}
	
	active = prod_id;

}