<select name="drdowmenu" onchange= "javascript:self.location.href=this.options[this.selectedIndex].value" size="1"> <option value="http://vinhthaithcs.tk">THCS Vinh Thái</option> <option value="http://vanhoa.tk">Thầy Hòa</option> <option value="http://phongvinhthai.tk">Thầy Phong</option> <option value="http://violet.vn/nhatnam0301">Thầy Nam</option> <option value="http://thuathienhue.edu.vn">Sở giáo dục</option> <option value="http://pgd-phuvang-tthue.edu.vn">Phòng giáo dục</option> <option value="http://mail.yahoo.com">Yahoo! Mail</option> </select> . <select name="drdowmenu" onchange= "javascript:self.location.href=this.options[this.selectedIndex].value"