/**
 * Show tab, used in product detail view
 * @param elementID	TODO 
 * @param maxElements	TODO
 * @param that	the calling element, usually <a>, given via "this"
 * @return void
 */
function showTab(elementID, maxElements, that){
	var startElement;
	startElement = 1;
	
	for(startElement;startElement != maxElements+1;startElement++){
		if(startElement==elementID){
			document.getElementById('tab'+startElement).style.display = 'block';
			document.getElementById('tabcontrol'+startElement).parentNode.className = 'active';
		}else{                                        
			document.getElementById('tab'+startElement).style.display = 'none';
			document.getElementById('tabcontrol'+startElement).parentNode.className	= '';
		}
	}
}