function OpenWindow(URL,nome,w,h,scroll) {
	var sw = 800, sh = 600;
	if (document.all || document.layers) {
		sw = screen.availWidth;
		sh = screen.availHeight;
	}
	var leftPos = (sw-w)/3, topPos = (sh-h)/3;
	window.open(URL,nome,"width="+670+",height="+670+",toolbar=no,scrollbars="+scroll+",resizable=yes,status=1,directories=no,menubar=no,location=no,top=" + topPos + ",left=" + leftPos, true);
}

function vt() {
	OpenWindow('','_yourpaystore','50','50','0');
}

function validarNumerico (objEvent) { // n aceita ponto nem virgula
	var iKeyCode;
	if (navigator.appName == "Netscape") { iKeyCode = objEvent.which; } else { iKeyCode = objEvent.keyCode; }
	if (iKeyCode >= 48 && iKeyCode <= 57 || iKeyCode == 0 || iKeyCode == 8) {return true}
	else {return false}
}

function verDecimal(objEvent) { // aceita ponto
	var iKeyCode;
	if (navigator.appName == "Netscape") { iKeyCode = objEvent.which; } else { iKeyCode = objEvent.keyCode; }
	if (iKeyCode >= 48 && iKeyCode <= 57 || iKeyCode == 0 || iKeyCode == 8 || iKeyCode == 46) {return true}
	else {return false}
}