https://www.agile-sun-home.com/contact/commons/MSIE10hotfix.js

1function setOpacity(layName,arg) {
2	var ua = navigator.userAgent;
3	var d = window.document;
4	if(d.layers){
5		if(arg > 0) d.layers[layName].visibility = "visible";
6		else if(arg==0) d.layers[layName].visibility = "hidden";
7	}
8	else if(d.getElementById(layName).style.opacity)
9		d.getElementById(layName).style.opacity = arg;
10	else if(navigator.appVersion.indexOf("Safari") > -1 || ua.indexOf("Opera") > -1)
11		d.getElementById(layName).style.opacity = arg;
12	else if(ua.indexOf('Mac_PowerPC') != -1 && d.all){
13		if(arg > 0)
14			d.all(layName).style.visibility = "visible";
15		else if(arg==0)
16			d.all(layName).style.visibility = "hidden";
17	}
18	else if(d.all){
19		if(d.all(layName).style.filter)
20			d.all(layName).style.filter = "alpha(opacity=0)";
21		if(d.all(layName).filters)
22			d.all(layName).filters.alpha.Opacity = (arg * 100);
23	}
24	else if(ua.indexOf('Gecko') != -1)
25		d.getElementById(layName).style.MozOpacity = arg
26}