var xmlHttp; 
    var requestURL = '/includes/models-view-list.idc?ID1='; 
    var is_ie = (navigator.userAgent.indexOf('MSIE') >= 0) ? 1 : 0; 
    var is_ie5 = (navigator.appVersion.indexOf("MSIE 5.5")!=-1) ? 1 : 0; 
    var is_opera = ((navigator.userAgent.indexOf("Opera6")!=-1)||(navigator.userAgent.indexOf("Opera/6")!=-1)) ? 1 : 0; 
    //netscape, safari, mozilla behave the same??? 
    var is_netscape = (navigator.userAgent.indexOf('Netscape') >= 0) ? 1 : 0; 

    function show_data(strID1,strID2,Type){ 
        if (strID1.length > 0){ 
            //Append the name to search for to the requestURL 
            var url = requestURL + strID1 + '&ID2=' +strID2 + '&Type=' +Type; 
             
            //Create the xmlHttp object to use in the request 
            //stateChangeHandler will fire when the state has changed, i.e. data is received back 
            // This is non-blocking (asynchronous) 
            xmlHttp = GetXmlHttpObject(stateChangeHandler); 
             
            //Send the xmlHttp get to the specified url 
            xmlHttp_Get(xmlHttp, url); 
        } 
        else { 
            //Textbox blanked out, clear the results 
            document.getElementById('menuData').innerHTML = ''; 
        } 
    } 

    //stateChangeHandler will fire when the state has changed, i.e. data is received back 
    // This is non-blocking (asynchronous) 
    function stateChangeHandler() 
    { 
        //readyState of 4 or 'complete' represents that data has been returned 
        if (xmlHttp.readyState == 4 || xmlHttp.readyState == 'complete'){ 
            //Gather the results from the callback 
            var str = xmlHttp.responseText; 

            //Populate the innerHTML of the div with the results 
            document.getElementById('menuData').innerHTML = str; 
        } 
    } 

    // XMLHttp send GET request 
    function xmlHttp_Get(xmlhttp, url) { 
        xmlhttp.open('GET', url, true); 
        xmlhttp.send(null); 
    } 

    function GetXmlHttpObject(handler) { 
        var objXmlHttp = null;    //Holds the local xmlHTTP object instance 

        //Depending on the browser, try to create the xmlHttp object 
        if (is_ie){ 
            //The object to create depends on version of IE 
            //If it isn't ie5, then default to the Msxml2.XMLHTTP object 
            var strObjName = (is_ie5) ? 'Microsoft.XMLHTTP' : 'Msxml2.XMLHTTP'; 
             
            //Attempt to create the object 
            try{ 
                objXmlHttp = new ActiveXObject(strObjName); 
                objXmlHttp.onreadystatechange = handler; 
            } 
            catch(e){ 
            //Object creation errored 
                alert('IE detected, but object could not be created. Verify that active scripting and activeX controls are enabled'); 
                return; 
            } 
        } 
        else if (is_opera){ 
            //Opera has some issues with xmlHttp object functionality 
            alert('Opera detected. The page may not behave as expected.'); 
            return; 
        } 
        else{ 
            // Mozilla | Netscape | Safari 
            objXmlHttp = new XMLHttpRequest(); 
            objXmlHttp.onload = handler; 
            objXmlHttp.onerror = handler; 
        } 
         
        //Return the instantiated object 
        return objXmlHttp; 
    } 

    function UseValue(strVal){ 
        document.frmStuff.txtName.value = strVal; 
    }