GetXmlHttpObject (Microsoft.XMLHTTP) doesn’t work in IE 5,6

The code works everywhere but IE 5,6. Why?

[CODE]function GetXmlHttpObject(){

var request = null;

if (window.XMLHttpRequest){

// If IE7, Mozilla, Safari, Opera etc: Use native object
request = new XMLHttpRequest()

}
else
{
if (window.ActiveXObject){
// …otherwise, use the ActiveX control for IE5.x and IE6
request = new ActiveXObject(“Microsoft.XMLHTTP”); //!!!!!!!! this doesn’t work
}
}
[/CODE]

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