var xmlHttp, ChangeElement

function GetContent(URL, ElementName) {
    ChangeElement = ElementName
    
    if (URL.length == 0) {
        document.getElementById(ChangeElement).innerHTML = ""
        return
    }
    
    xmlHttp = GetXmlHttpObject()
    
    if (xmlHttp == null) {
        alert ("Browser does not support HTTP Request")
        return
    }
    
    xmlHttp.onreadystatechange = StateChanged
    xmlHttp.open("GET", URL, true)
    xmlHttp.send(null)
}

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

function GetXmlHttpObject() {
    var objXMLHttp = null
    
    if (window.XMLHttpRequest) {
        objXMLHttp = new XMLHttpRequest()
    }
    else if (window.ActiveXObject) {
        objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP")
    }
    
    return objXMLHttp
}