//大表格的宽度
var mainTableWidth = 780;
//第一个表格距左边的距离
var firstTableWidth = 100;
//距文档顶端的高度
var topHeight = 300;
var my_array = new Array(83,83);
var my_array2 = new Array(228,248);
//每个表格宽度
//var perTableWidth = 86;
//下拉表格个数
var countOfTable = 2;

/*------------------------
这里存在一个逻辑关系就是：
mainTableWidth = firstTableWidth + perTableWidth * countOfTable
------------------------*/

function over(tableid) {
	if (tableid < 0 || tableid >= countOfTable) return;
	totalWidth = document.body.clientWidth;
	if (totalWidth > mainTableWidth) eval("t" + tableid + ".style.left=" + ((totalWidth - mainTableWidth)/2 + firstTableWidth + my_array[tableid]));
	else eval("t" + tableid + ".style.left=" + (firstTableWidth + my_array[tableid]));
	eval("t" + tableid + ".style.top=" + my_array2[tableid]);
	eval("t" + tableid + ".style.visibility=\"visible\"");
}

function out(tableid) {
	eval("t" + tableid + ".style.visibility=\"hidden\"");
}

function overTable(tableid) {
	eval("t" + tableid + ".style.visibility=\"visible\"");
}

function outTable(tableid) {
	eval("t" + tableid + ".style.visibility=\"hidden\"");
}