var plugin_dir = "http://www.dietriffic.com/wp-content/plugins/bmi/";
function switchTab(tabSet,activeTab) 
{		
	//hide tabs
	for (var i=1;i<=2;i++) 
		document.getElementById(tabSet + i).style.display = 'none';	
	//display tabs
	var tab = document.getElementById(tabSet + activeTab);
	tab.style.display = '';
}