/* portable registration for onload event handlers */
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;