var xmlHttpPh

function changephoto(idan,phid)
{ 

xmlHttpPh=GetXmlHttpObject()
if (xmlHttpPh==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url="getphotos.php"
url=url+"?ph="+phid+"&idan="+idan
url=url+"&sid="+Math.random()
xmlHttpPh.onreadystatechange = photoChanged 
xmlHttpPh.open("GET",url,true)
xmlHttpPh.send(null)
}

function photoChanged() 
{ 
 if (xmlHttpPh.readyState==4 || xmlHttpPh.readyState=="complete")
 { 
 document.getElementById("photogallery").innerHTML=xmlHttpPh.responseText 
 } 
}