var rollimg = new Image();
var statimg = new Image();

function preLoad(alt) {
	statimg = new Image();
	rollimg = document.getElementById('rollimg');

	statimg.src = './images/main/start.jpg';

	if(alt != null)
		statimg.src = './images/' + alt;

	rollimg.src = statimg.src;
}

function swapImage(newimage) {
	if(newimage == null) {
		rollimg.src = statimg.src;
	} else {
		rollimg.src = newimage;
	}
}

function logmein(form) {
	if(eval(form.id.value) == 0 && form.password.value == '') {
		return false;
	} else {
		return true;
	}
}