function menu1() { window.open("http://www.exxonmobilchemical.com/Chem-Chinese/default.aspx",   "_blank") }
function menu2() { window.open("http://www.akzonobel.com/cn/",   "_blank")  }
function menu3() {  window.open("http://www.cheminfo.gov.cn/dow/default.aspx",   "_blank")  }
function menu4() {  window.open("http://http://www.wacker.com/",   "_blank")  }
function menu5() {  window.open
("http://www.chemnews.com.cn/program/redianproduct/2012dzb.asp",   "_blank")}
function menu6() {  window.open("http://www.chemnews.com.cn/program/redianproduct/2012dzb.asp",   "_blank")}