var xmlHttp

function showXMod(str) { 
	var url="/commons/inc/expModFull.cfm"
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
} 

function resetXMod() { 
	var url="/commons/inc/expModIntro.html"
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
} 

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

function GetXmlHttpObject(handler) { 
	var objXmlHttp=null
	//Opera
	if (navigator.userAgent.indexOf("Opera")>=0) {
		alert("The Opera browser does not support this action") 
		return 
	}
	//MSIE
	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 
		} 
	} 
	//Mozilla
	if (navigator.userAgent.indexOf("Mozilla")>=0)	{
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
}