<script language=javascript>
function check(){
var w1=1;
var w2=2;
var w3=3;
for(var i=1;i<=7;i++)
{
if(w+i.value=3)
{
alert("连续全天排休,不可以超过三天!!");
return false;
}
}
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script language=javascript>
function check(){
var a=new Array("1","2","3","4","1","5","1");
var b=a.sort();
for(var i=0; i<b.length;i++){
if(b[i]==b[i+2])
alert("不能出现三次");