function setChartsPopup() {
	var F;
	if (!(F = document.forms['charts-form'])) return;

	F.onsubmit = function() {
		var W = window.open('', 'charts', 'width=653,height=520,toolbar=no,location=no,status=no,resizable=no,left='+(screen.width/2-652)+',top='+(screen.height/2-520));
		F.target = 'charts';
	}
}

window.onload = function() {
	setChartsPopup();
}