function switchTabs(tabObj){
  	document.getElementById('careerTabContent').style.display = 'none';
  	document.getElementById('servicesTabContent').style.display = 'none';
  	document.getElementById('industriesTabContent').style.display = 'none';  
  	document.getElementById('careerTab').className = 'tabOff';
  	document.getElementById('servicesTab').className = 'tabOff';
  	document.getElementById('industriesTab').className = 'tabOff';                                 
    document.getElementById(tabObj).className = 'tabOn';  
    document.getElementById(tabObj + 'Content').style.display = 'block';                                           
  }