javascript操作表格

Power Table

body{
FONT-SIZE: 9pt; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; PADDING-TOP: 0px;
}
input {
FONT-SIZE: 9pt; height: 15pt; width:50px; cursor: default;
}
table{
font-size: 9pt;
word-break:break-all;
cursor: default;
BORDER: black 1px solid;
background-color:#eeeecc;
border-collapse:collapse;
border-Color:#999999;
align:center;
}
/*
This following code are designed and writen by Windy_sk
You can use it freely, but u must held all the copyright items!
*/
var Main_Tab = null;
var cur_row = null;
var cur_col = null;
var cur_cell = null;
var Org_con = "";
var sort_col = null;
var show_col = false;
var charMode = 1;
var act_bgc = "#BEC5DE";
var act_fc = "black";
var cur_bgc = "#ccffcc";
var cur_fc = "black";
function init(){
cur_row = null;
cur_col = null;
cur_cell = null;
sort_col = null;
Main_Tab = PowerTable;
read_def(Main_Tab)
Main_Tab.onmouseover = overIt;
Main_Tab.onmouseout = outIt;
Main_Tab.onclick = clickIt;
Main_Tab.ondblclick = dblclickIt;
Org_con = Main_Tab.outerHTML;

arrow = document.createElement("SPAN");
arrow.style.cssText = "PADDING-RIGHT: 0px; MARGIN-TOP: -3px; PADDING-LEFT: 0px; FONT-SIZE: 10px; MARGIN-BOTTOM: 2px; PADDING-BOTTOM: 2px; OVERFLOW: hidden; WIDTH: 10px; COLOR: blue; PADDING-TOP: 0px; FONT-FAMILY: webdings; HEIGHT: 11px";
}
function window.onload(){
init();
drag = document.createElement("DIV");
drag.innerHTML = "";
drag.style.textAlign = "center";
drag.style.position = "absolute";
drag.style.cursor = "hand";
drag.style.border = "1 solid black";
drag.style.display = "none";
drag.style.zIndex = "999";

document.body.insertBefore(drag);
setInterval("judge_move()",100);
setInterval("showContent.value=Main_Tab.innerHTML;monitor.value='cur_row: '+cur_row+'; cur_col: '+cur_col + '; sort_col: ' +sort_col",1000);
sel_Mode.selectedIndex=charMode;
}
function judge_move(){
move[0].disabled=(cur_row == null || cur_row