Issue with a variable being passed through functions

i have a function like this ..

[CODE]function showall(str)
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert (“Browser does not support HTTP Request”)
return
}
var url=”worldnews.php”
url=url+”?q=”+str
url=url+”&sid=”+Math.random()
xmlHttp.onreadystatechange=stateChanged(str)
xmlHttp.open(“GET”,url,true)
xmlHttp.send(null)
}

function stateChanged(divname)
{
if (xmlHttp.readyState==4 || xmlHttp.readyState==”complete”)
{// here divname is not getting accepted
document.getElementById(divname).innerHTML=xmlHttp.responseText
}
else{
var newHTML = “<center><br><br><br><br><img src=’waiticon.gif’></center>”;
document.getElementById(divname).innerHTML=newHTML
}
[/CODE]

Any help would be greatly appreciated.

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