// Cross-browser object-by-id retriever
function findObjectById(id) {
	var result;
	if (document.getElementById) {
		result = document.getElementById(id);
	} else if (document.all) {
		result = document.all[id];
	} else if (document.layers) {
		result = document.layers[id];
	}
	return result;
}	

// Submit form by id
function submitForm(formId) {	
	var formElement = findObjectById(formId);	
	if (formElement) {
		formElement.submit() ;
	}
}