function newsignup(sheet_id, req_email, req_phone, row, slot_id) {

//new sign up
	
	var openstr = "entersignup.php?sheet_id=" + sheet_id + "&req_email=" + req_email + "&req_phone=" + req_phone + "&row=" + row + "&slot_id=" + slot_id;
	window.open(openstr, "windowname", "width=400, height=200, left=300, top=300, resizable");

}