function myinterface(url, w, h, target) {
	x = (screen.width-w)/2;
	y = (screen.height-h)/2;
	window.open(url, 'myinterface'+target, 'resizable,toolbar=no,directories=no,status=no,menubar=no,left='+x+',top='+y+',width='+w+',height='+h);
}
function gotoif(url, question) {
	if (window.confirm(question)) {
		mygoto(url);
	}
}
function mygoto(url) {
	document.location = url;
}
function twothirds(me) {
	me.style.width= me.style.width == '382px' ? '576px' : '382px';
}