var Onload_Hooks = Array();

function onloadAdd( toLoad ) {
    Onload_Hooks.push(toLoad);
}

window.onload = HandleOnloadHooks;

function HandleOnloadHooks() {
    var i = 0;
    for( i = 0; i < Onload_Hooks.length; i++ )
        Onload_Hooks[i]();

}