var map = null;window.onload=function(){    createMap();    document.getElementById("submit").onclick=function(){        getDirections(document.forms[0]._street.value,                document.forms[0]._city.value,                document.forms[0]._state.value,                document.forms[0]._dname.value,                document.forms[0]._latitude.value,                document.forms[0]._longitude.value);    };    document.getElementById("rem_bubbles").onclick=function(){        clearOverlays();    };    document.getElementById("yah_maps").onclick=function(){        createYMap();    };};function createYMap(){    writeMap(document.forms[0]._latitude.value,            document.forms[0]._longitude.value);}function createMap(){    map = new GMap(document.getElementById("map"));    GEvent.addListener(map, 'click', function(overlay, point) {        document.forms[0]._longitude.value=point.x;        document.forms[0]._latitude.value=point.y;        map.addOverlay(new GMarker(point));    });    map.addControl(new GLargeMapControl());    map.addControl(new GMapTypeControl());    //center on roughly middle of USA continent    map.centerAndZoom(new GPoint(-97.20703, 40.580584), 14);}function clearOverlays(){    if(map != null){        map.clearOverlays();    }}function getDirections(street,city,state,                       destName,lat,lng){    var _str = encodeURIComponent(street);    var _cit = encodeURIComponent(city);    var url = "http://www.parkerriver.com/s/dd?"+_str+"&tlt="+              lat+"&tln="+lng+"&csz="+              _cit+"%2C"+state+"&country=us&tname="+destName;    httpRequest("GET",url,true,handleResponse);}//event handler for XMLHttpRequestfunction handleResponse(){    try{        if(request.readyState == 4){            if(request.status == 200){                var _dirs = request.responseText;                var targDiv = document.getElementById("ymap_container");                targDiv.innerHTML=_dirs+                                  '<p><form><button type=\"button\" onclick=\"window.print()\">Print Directions</button></form></p>';            } else {                //request.status is 503  if the application isn't available; 500 if the application has a bug                alert("A problem occurred with communicating between the XMLHttpRequest object and the server program.");            }        }//end outer if    } catch (err)   {        alert("It does not appear that the server is available for this application. Please"+              " try again very soon. \nError: "+err.message);    }}function writeMap(lat,lng){    //document.getElementById('ymap_container').style.visibility="visible";    var _point = new YGeoPoint(parseInt(lat), parseInt(lng));    var _map = new  YMap(document.getElementById('ymap_container'));    _map.drawZoomAndCenter(_point, 8);    _map.addPanControl();    _map.addZoomLong();    document.getElementById('yah_maps').disabled=true;}