var service_text_id_prefix = 'serviceText_';
var service_text_node;
var current_node = false;

function showServiceText(node_id) {
	//alert('showServiceText');
	node_id = service_text_id_prefix + node_id;
	
	if (current_node != false) {
		setNodeDisplay(current_node, 'none');
	}
	//alert("showServiceText " + node_id);
	//service_text_node = document.getElementById( service_text_id_prefix + node_id);
	//alert(service_text_node);
	//service_text_node.style.display = 'block';
	setNodeDisplay(node_id, 'block');
	current_node = node_id;
}

function closeWindow(node_id) {
	//alert('closeWindow');
	current_node = false;
	node_id = service_text_id_prefix + node_id;
	setNodeDisplay(node_id, 'none');
	
}


function setNodeDisplay(node_id, display_value) {
	service_text_node = document.getElementById( node_id );
	service_text_node.style.display = display_value;
}