var xmlHttp

function showPhoto(id){ 
	var url="getGalleryImage.php?id=" + id
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
} 

function stateChanged() {
	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete"){ 
		document.getElementById("photo_large").innerHTML = xmlHttp.responseText
	}
}

function GetXmlHttpObject(handler){ 
var objXmlHttp=null

if (navigator.userAgent.indexOf("Opera")>=0){
	alert("This example doesn't work in Opera") 
	return 
}
if (navigator.userAgent.indexOf("MSIE")>=0){ 
	var strName="Msxml2.XMLHTTP"
	if (navigator.appVersion.indexOf("MSIE 5.5")>=0){
	strName="Microsoft.XMLHTTP"
	}
	try { 
	objXmlHttp=new ActiveXObject(strName)
	objXmlHttp.onreadystatechange = handler
	return objXmlHttp
	}
	catch(e){ 
	alert("Error. Scripting for ActiveX might be disabled") 
	return 
	} 
} 
	if (navigator.userAgent.indexOf("Mozilla")>=0){
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload = handler
		objXmlHttp.onerror = handler 
		return objXmlHttp
	}
}