function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=517,height=300');");
}

function frmtracking_onsubmit() { 
	if ((document.frmtracking.numbertr.value == "")) {
		alert("Please enter your tracking number");
		document.frmtracking.numbertr.focus();
		return false;
	}
}

function frmtrackingsp_onsubmit() { 
	if ((document.frmtracking.numbertr.value == "")) {
		alert("Por favor ingrese su número de orden");
		document.frmtracking.numbertr.focus();
		return false;
	}
}

function frmweekly_onsubmit() { 
  if ((frmweekly.email.value.indexOf ('@', 0) == -1)||(frmweekly.email.value.length < 5) || (frmweekly.email.value.indexOf ('.', 0) == -1)) { 
    alert("Must enter a valid email"); 
	frmweekly.email.focus();
    return (false); 
  }
} 

function frmweeklysp_onsubmit() { 
  if ((frmweekly.email.value.indexOf ('@', 0) == -1)||(frmweekly.email.value.length < 5) || (frmweekly.email.value.indexOf ('.', 0) == -1)) { 
    alert("Debe ingresar un correo válido"); 
	frmweekly.email.focus();
    return (false); 
  }
}