请哪位高手帮我把下面的VBScript改成javascript，在下感激不尽！

[ronghuan]

<script language="VBScript">
function display1(num)
dim imagename
dim name
dim total
if(num<10) then
if document.all("subtree"+chr(48+num)).style.display="none" then
document.all("subtree"+chr(48+num)).style.display=""
document.all("image"+chr(48+num)).src="image/t_sub.gif"
document.all("img"+chr(48+num)).src="image/open.gif"
else
document.all("subtree"+chr(48+num)).style.display="none"
document.all("image"+chr(48+num)).src="image/t_plus.gif"
document.all("img"+chr(48+num)).src="image/close(1).gif"
end if
end if
if(num>9) then
if document.all("subtree"+chr(49)+chr(48+num-10)).style.display="none" then
document.all("subtree"+chr(49)+chr(48+num-10)).style.display=""
document.all("image"+chr(49)+chr(48+num-10)).src="image/t_sub.gif"
document.all("img"+chr(49)+chr(48+num-10)).src="image/open.gif"
else
document.all("subtree"+chr(49)+chr(48+num-10)).style.display="none"
document.all("image"+chr(49)+chr(48+num-10)).src="image/t_plus.gif"
document.all("img"+chr(49)+chr(48+num-10)).src="image/close(1).gif"
end if
end if
end function
</script>

[ronghuan]

<script language="VBScript">
function display1(num)
dim imagename
dim name
dim total
if(num<10) then
if document.all("subtree"+chr(48+num)).style.display="none" then
document.all("subtree"+chr(48+num)).style.display=""
document.all("image"+chr(48+num)).src="image/t_sub.gif"
document.all("img"+chr(48+num)).src="image/open.gif"
else
document.all("subtree"+chr(48+num)).style.display="none"
document.all("image"+chr(48+num)).src="image/t_plus.gif"
document.all("img"+chr(48+num)).src="image/close(1).gif"
end if
end if
if(num>9) then
if document.all("subtree"+chr(49)+chr(48+num-10)).style.display="none" then
document.all("subtree"+chr(49)+chr(48+num-10)).style.display=""
document.all("image"+chr(49)+chr(48+num-10)).src="image/t_sub.gif"
document.all("img"+chr(49)+chr(48+num-10)).src="image/open.gif"
else
document.all("subtree"+chr(49)+chr(48+num-10)).style.display="none"
document.all("image"+chr(49)+chr(48+num-10)).src="image/t_plus.gif"
document.all("img"+chr(49)+chr(48+num-10)).src="image/close(1).gif"
end if
end if
end function
</script>

[qiushuiwuhen]

try

<script>
function display1(num){
var imagename
var name
var total
if(num<10){
if(document.all("subtree"+String.fromCharCode(48+num)).style.display=="none"){
document.all("subtree"+String.fromCharCode(48+num)).style.display=""
document.all("image"+String.fromCharCode(48+num)).src="image/t_sub.gif"
document.all("img"+String.fromCharCode(48+num)).src="image/open.gif"
}else{
document.all("subtree"+String.fromCharCode(48+num)).style.display="none"
document.all("image"+String.fromCharCode(48+num)).src="image/t_plus.gif"
document.all("img"+String.fromCharCode(48+num)).src="image/close(1).gif"
}
}
if(num>9){
if(document.all("subtree"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).style.display=="none"){
document.all("subtree"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).style.display=""
document.all("image"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).src="image/t_sub.gif"
document.all("img"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).src="image/open.gif"
}else{
document.all("subtree"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).style.display="none"
document.all("image"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).src="image/t_plus.gif"
document.all("img"+String.fromCharCode(49)+String.fromCharCode(48+num-10)).src="image/close(1).gif"
}
}
}
</script>

[bencalie]

就一个if语句的转换，还有Chr(charcode)换成String.fromCharCode(49)，很简单啊，自己解决吧

[ronghuan]

在下真是佩服啊！
感谢！