function InitData(depth,parent,id)
{
var ele = document.getElementById(id);
if(depth==1)
{
for(var i=0;i<firstSort.length;i++)
{
if(firstSort[i][0]==parent)
ele.options.add(new Option(firstSort[i][2],firstSort[i][1]));
}
}
else if(depth==2)
{
ele.options.length=0;
for(var i=0;i<secondSort.length;i++)
{
if(secondSort[i][0]==parent)
ele.options.add(new Option(secondSort[i][2],secondSort[i][1]));
}
ele.options.selectedIndex=0;
}
else if(depth==3)
{
ele.options.length=0;
for(var i=0;i<thirdSort.length;i++)
{
if(thirdSort[i][0]==parent)
ele.options.add(new Option(thirdSort[i][2],thirdSort[i][1]));
}
ele.options.selectedIndex=0;
}
}
InitData("1","0","LbFirst");
function secondSelect(first,second,third)
{
var tempSecIndex="";
var tempThirIndex="";
try{
tempSecIndex = document.getElementById(first).options[document.getElementById(first).selectedIndex].value;
}
catch(e){
tempSecIndex=0;
}
try{
tempThirIndex = document.getElementById(second).options[document.getElementById(second).selectedIndex].value;
}
catch(e){
tempThirIndex=0;
}
InitData("2",tempSecIndex,second);
InitData("3",tempThirIndex,third);
}
function thirdSelect(parentId,selectId)
{
var tempSecIndex;
try{
tempSecIndex = document.getElementById(parentId).options[document.getElementById(parentId).selectedIndex].value;
}
catch(e){
tempSecIndex=0;
}
InitData("3",tempSecIndex,selectId)
}
function allsort()
{
var tempFir= document.getElementById("LbFirst").options[document.getElementById("LbFirst").selectedIndex].value;
var tempSec= document.getElementById("LbSecond").options[document.getElementById("LbSecond").selectedIndex].value;
alert(document.getElementById("LbThird").selectedIndex);
var tempThir= document.getElementById("LbThird").selectedIndex>-1?(document.getElementById("LbThird").options[document.getElementById("LbThird").selectedIndex].value):(0);
selectIndex("LbFirst",tempFir,"LbSecond",tempSec,"LbThird",tempThir);
}
function selectIndex(firId,firSort,secId,secSort,thirId,thirSort)
{
if(firSort.length>0){
listSelect(firId,firSort)
}
if(secSort.length>0){
secondSelect(firId,secId,thirId)
listSelect(secId,secSort)
}
if(thirSort.length>0){
thirdSelect(secId,thirId)
listSelect(thirId,thirSort)
}
}
function listSelect(lId,lSort)
{
var firSortEle = document.getElementById(lId).options;
for(var i=0;i<firSortEle.length;i++){
if(firSortEle[i].value==lSort){
firSortEle[i].selected=true;
break;
}
}
}
selectIndex("LbFirst","6A726A","LbSecond","47E3B5","LbThird","19F5F1");
posted on 2009-03-28 18:29
sanmao 阅读(112)
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