[OpenLayers-Users] mergeNewParams mess with opacity in IE8-

[HerrFlick]

Dear forum,

in my web application, I'm hiding/showing wms polygon boundaries using
mergeNewParams function (see code below). In proper browsers, it works fine
but in IE8 it changes opacity of the layer sometimes. 

Any idea how to avoid this behavior?

Thanks alot.

Tomas

if($(this).data('boundaries') == 'yes') {
	$("#boundariesDiv").text('Show boundaries');
	$("div#map").data("ifMap").mergeNewParams({'styles':style,'env':values +
$("div#map").data("colors") + strokes});
	$(this).data('boundaries','no');
}
else {
	$("#boundariesDiv").text('Hide boundaries');
	$("div#map").data("ifMap").mergeNewParams({'styles':style,'env':values +
$("div#map").data("colors")});
	$(this).data('boundaries','yes');
}



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