function runOnLoad(f) {
    if (runOnLoad.loaded) f();    
    else runOnLoad.funcs.push(f); 
}

runOnLoad.funcs = []; 
runOnLoad.loaded = false; 


runOnLoad.run = function() {
    if (runOnLoad.loaded) return;  

    for(var i = 0; i < runOnLoad.funcs.length; i++) {
        try { runOnLoad.funcs[i](); }
        catch(e) {  }
    }
    
    runOnLoad.loaded = true; 
    delete runOnLoad.funcs;  
    delete runOnLoad.run;   
};

if (window.addEventListener)
    window.addEventListener("load", runOnLoad.run, false);
else if (window.attachEvent) window.attachEvent("onload", runOnLoad.run);
else window.onload = runOnLoad.run;