var xmlHttp


function GetXmlHttpObject(handler) { 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("This code doesn't work in Opera browser\n\nCe code ne fonctionne pas sous le navigateur 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 \n\nErreur. Les scripts pour ActiveX doivent être désactivés.   ")
			return 
		} 
	}
	
	if (navigator.userAgent.indexOf("Mozilla")>=0) {
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
}