var waitingToShow = false,

// array for text to be displayed in tooltips

tipText = [

{'name': 'wrench', 'text': "Avoid dropping on toe."},

{'name': 'calipers', 'text': 'Dial calipers: +- .001,<br>human hair .004'},

{'name': 'drill', 'text': 'Variable-speed and cordless too.'},

{'name': 'ohm', 'text': 'Never test microwaves with a volt-ohm meter.'},

{'name': 'level', 'text': 'Unreliable in zero gravity conditions.'}

// the array continues...

];