function loadLabel(){
	var fields = document.getElementsByTagName('input');
	for(var i=0; i<fields.length; i++){
		if(fields[i].alt != "")
			fields[i].value = fields[i].alt;
	}
}

function label_on(field){
	if(field.value == field.alt) field.value = "";
}

function label_off(field){
	if(field.value == "") field.value = field.alt;
}

function image_on(field){
	if(field.value == "") field.style.backgroundImage = "none";
}

function image_off(field){
	if(field.value == "") field.style.backgroundImage = "url(images/password.gif)";
}

window.onload = loadLabel;