var controlParms = "view=request&request=control";
var controlReq = new Request.JSON( { url: thisUrl, method: 'post', timeout: AJAX_TIMEOUT, onSuccess: getControlResponse } );

function getControlResponse( respObj, respText )
{
    if ( !respObj )
        return;
    //console.log( respText );
    if ( respObj.result != 'Ok' )
    {
        alert( "Control response was status = "+respObj.status+"\nmessage = "+respObj.message );
    }
}

function controlCmd( control, event, xtell, ytell )
{
    var locParms = "&id="+$('mid').get('value');
    if ( event && (xtell || ytell) )
    {
        var xEvent = new Event( event );
        var target = xEvent.target;
        var coords = $(target).getCoordinates();

        var l = coords.left;
        var t = coords.top;
        var x = xEvent.page.x - l;
        var y = xEvent.page.y - t;

        if  ( xtell )
        {
            var xge = parseInt( (x*100)/coords.width );
            if ( xtell == -1 )
                xge = 100 - xge;
            else if ( xtell == 2 )
                xge = 2*(50 - xge);
            locParms += "&xge="+xge;
        }
        if  ( ytell )
        {
            var yge = parseInt( (y*100)/coords.height );
            if ( ytell == -1 )
                yge = 100 - yge;
            else if ( ytell == 2 )
                yge = 2*(50 - yge);
            locParms += "&yge="+yge;
        }
    }
    controlReq.send( controlParms+"&control="+control+locParms );
}