// JavaScript Document

var currentPane = 'cooling_system_treatment';

function switchVisibility(newPane) {

	var linkName = currentPane + '_link';

	document.getElementById(currentPane).className = 'areaHidden';
	document.getElementById(linkName).className = 'normal';
	currentPane = newPane;
	linkName = currentPane + '_link';
	document.getElementById(linkName).className = 'thisLink';
	document.getElementById(currentPane).className = 'areaVisible';


}