joomla2.5 - Joomla tooltip not hiding -

my problem tooltips not hiding after cursor moved away text tooltip. can check page example of problem: http://federationgenealogie.qc.ca/nous-contacter (which simple com_contacts page)

but problem persists throughout website.

i've tried template override of com_contacts , change way tool-tips handled using: http://docs.joomla.org/how_to_add_tooltips_to_your_joomla!_website

$tooltiparray = array('classname' => 'mytooltipclass', 'showdelay'=>'500',  'hidedelay'=>'500', 'fixed'=>true,  'onshow'=>"function(tip) {tip.effect('opacity',    {duration: 500, wait: false}).start(0,1)}",  'onhide'=>"function(tip) {tip.effect('opacity',    {duration: 500, wait: false}).start(1,0)}"); jhtml::_('behavior.tooltip', '.hastip', $tooltiparray); ?> 

only 'fixed'=>true parameter works, feeling kind of works. since other parameters not working, not solution.

i've tried make own tooltip.js file containing:

window.addevent('domready', function(){        //do tips stuff in here...        var zoomtip = new tips($$('.hastip'), {           classname: 'mytooltipclass', //this prefix css class           offsets: {                     'x': 20,       //default 16                     'y': 30        //default 16           },           initialize:function(){              this.fx = new fx.style(this.tooltip, 'opacity',                               {duration: 1000, wait: false}).set(0);           },           onshow: function(tooltip) {              this.fx.start(0,.8);           },           onhide: function(tooltip) {              this.fx.start(.8,0);           }        });     }); 

but tooltip looks html alt, , changing css files according class names not work.

using tooltip extension not solution because need default registration , contact page of joomla work. , both use class="hastip"and changing require me hacking can not durability reasons.

using firebug , chrome, not seems there conflict between javascripts.

any ideas?