function hideCriterias(node, id){
    	var container = document.getElementById(id);
        if(node.className == 'showContainer'){
        	node.className = 'hideContainer';
        	container.style.display = 'block';            
        } else {
        	node.className = 'showContainer';
        	container.style.display = 'none';      
        }
    }