highcharts 2.2.5 not displaying graphs
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I need to upgrade my highcharts.js file from 2.1.4 to 2.2.5 (because I want to use
the useHTML property in the tooltip and it is supported from 2.1.7) 
the problem is that when I upgrade, highcharts doesn't work anymore (doesn't draw the graph)

you can view this in here
working example 2.1.4 http://s-maof.com/PRO/index3.php?fkapp=2

and not working example 2.2.5 here http://s-maof.com/PRO/index4.php?fkapp=2