function MediaWin(fname)             {             
 window.open(fname,'tv','toolbar=no,menubar=no,directories=no,status=no,width=348,height=400,scrollbars=no');            
 }         
function helppop(fname)             {             
 window.open(fname,'','toolbar=no,menubar=no,directories=no,status=no,width=420,height=400,scrollbars=yes');            
 }         

function allvalid()
  {
    if (document.form1.username.value=="")
    {
      document.form1.username.focus();
      window.alert("ÇëÌîдÓû§Ãû£¡");
      return false;
    }
    if (document.form1.passwd.value=="")
    {
      document.form1.passwd.focus();
      window.alert("ÇëÌîдÃÜÂ룡");
      return false;
    }
    return true;
  }
function Submit()
 {
	var t=Math.random() * 100000000;
 if(document.form1.usertype.selectedIndex == 0)
 {
 document.form1.action="http://mail.gsinfo.net.cn/cgi-bin/login?token="+t;
 document.form1.LoginName.value = document.form1.username.value;
 document.form1.Password.value = document.form1.passwd.value;
 }

 if(document.form1.usertype.selectedIndex == 1)
 {
 document.form1.action="http://siteshare21.gsinfo.net.cn/index.php";
 }
 if(document.form1.usertype.selectedIndex == 2)
 {
 document.form1.action="http://61.178.20.181/pas-gs/LoginAction.do?method=doLogin";
 document.form1.userId.value = document.form1.username.value;
 document.form1.userPass.value = document.form1.passwd.value;
 }
 document.form1.submit;
 } 
function tabit1(id,cid) {
	tab1.className="taboff1";
	tab2.className="taboff1";
	
	id.className="tabon1";

	news1.style.display="none";
	news2.style.display="none";
	

	cid.style.display="block";
}

function tabit2(id,cid) {
	tab3.className="taboff2";
	tab4.className="taboff2";
			
	id.className="tabon2";

	news3.style.display="none";
	news4.style.display="none";
	
	cid.style.display="block";
}

function tabit3(id,cid) {
	tab5.className="taboff3";
	tab6.className="taboff3";
			
	id.className="tabon3";

	news5.style.display="none";
	news6.style.display="none";
	
	cid.style.display="block";
}

function tabit4(id,cid) {
	tab7.className="taboff4";
	tab8.className="taboff4";
	tab9.className="taboff4";		
	
        id.className="tabon4";

	news7.style.display="none";
	news8.style.display="none";
	news9.style.display="none";
	
        cid.style.display="block";
}