//SHOW HIDDEN ELEMENT
function showHide(field, modeIni){
	var target = document.getElementById(field);
	if (target){
		if (!target.style.display) target.style.display = modeIni;
		else if (target.style.display == "none") target.style.display = "block";
		else									 target.style.display = "none";
	}
}