获得对象的名字sort[0].name好像没有改变，第二次拖动的时候改变所获取的对象是未改变前的
我希望得到的是：每次拖动表格后，sort都是1，2，3，4，5
<HTML>
<HEAD>
<title> change table sort </title>
<script language= "Javascript ">
var beginMoving=false;
function MouseDownToMove(obj){
obj.style.zIndex=1;
obj.mouseDownY=event.clientY;
obj.mouseDownX=event.clientX;
beginMoving=true;
obj.setCapture();
}
function MouseMoveToMove(obj){
if(!beginMoving) return false;
obj.style.top = (event.clientY-obj.mouseDownY);
obj.style.left = (event.clientX-obj.mouseDownX);
}
function MouseUpToMove(obj){
if(!beginMoving) return false;
obj.releaseCapture();
obj.style.top=0;
obj.style.left=0;
obj.style.zIndex=0;
beginMoving=false;
var tempTop=event.clientY-obj.mouseDownY;
var tempRowIndex=(tempTop-tempTop%25)/25;
if(tempRowIndex+obj.rowIndex <0 ){
tempRowIndex=-1;
}
else tempRowIndex=tempRowIndex+obj.rowIndex;
if(tempRowIndex > = obj.parentElement.rows.length-1){
tempRowIndex = obj.parentElement.rows.length-1;
}
alert( "1: "+obj.rowIndex+ "--> "+tempRowIndex);
var a = obj.rowIndex;
var b = tempRowIndex;
obj.parentElement.moveRow(obj.rowIndex,tempRowIndex);
alert( "start。。。 ");
//move to down
if(a <b){
var j = a+1;
var k = b+1;
var temp= "he ";
var sort_temp = document.getElementsByName(a+ "_sort ");
sort_temp[0].value = temp;
sort_temp[0].name = temp+ "_sort ";
for(var i=j;i <k;i++){
var sort = document.getElementsByName(i+ "_sort ");
var tempValue = sort[0].value-1;
sort[0].value = tempValue;
sort[0].name = tempValue+ "_sort ";
alert(sort[0].name);
}
sort_temp[0].value = b;
sort_temp[0].name = b+ "_sort ";
alert(sort_temp[0].name+ "= "+sort_temp[0].value);
}
//move to up
else{
var j = a;
var k = b;
var temp= "he ";
var sort_temp = document.getElementsByName(a+ "_sort ");
sort_temp[0].value = temp;
sort_temp[0].name = temp+ "_sort ";
for(var i=b;i <j;i++){
var sort = document.getElementsByName(i+ "_sort ");
var tempValue = parseFloat(sort[0].value)+parseFloat(1);
sort[0].value = tempValue;