var onLoadActions = new Array();
var onResizeActions = new Array();

// for onResizeActions to know xhen execute 
// if the page has been already reloaded to
// avoid reload n times
var alreadyReloaded = false;

function getAccessory(name, def)
{
    var a = accessories[name]
    if(a == null) return def;
    return a;
}

function executeLoadActions()
{
    alreadyReloaded = false;
    var i;
    if(!isDiffusion) {
        document.body.oncontextmenu = rClick;
        document.body.onclick = showNode;
        document.body.onkeydown = keyUp;
    }
    for(i=0;i < onLoadActions.length;i++) {
        var action = onLoadActions[i];
        if(typeof(action) == "function") {
            action();
        }
    }
}

function addLoadAction(action)
{
    onLoadActions[onLoadActions.length] = action;
    if(window.document.body != null) {
        window.document.body.onload = executeLoadActions;
    }
}

function executeResizeActions()
{
    var i;
    for(i=0;i < onResizeActions.length;i++)
    {
        var action = onResizeActions[i];
        if(typeof(action) == "function")
        {
            action();
        }
    }
}

function addResizeActions(action)
{
    //alert("addResizeActions = "+action)
    onResizeActions[onResizeActions.length] = action;
}

window.onresize = executeResizeActions;