/*
title : page list bar
creator : tklmilk
date : 2004-9-29
example:
var plb = new PageListBar('plb', 343, 6, '?', 10);
document.write(plb);
*/
function PageListBar(name, pagecount, currpage, url, listlength)
{
this.name = name;
this.pagecount = pagecount; //total page num
this.currpage = currpage; //current page
this.url = url; //link
this.listlength = listlength?listlength:10; //number of page showed
if(this.pagecount <=0)
{
this.pagecount = 1;
}
if(this.currpage > this.pagecount)
{
this.currpage = this.pagecount;
}
}
PageListBar.prototype.go = function(pagenum)
{
window.location.href = '?currpage=' + pagenum + this.url;
}
PageListBar.prototype.goto = function()
{
var currpage = prompt("请输入跳转到的页号",this.currpage);
if(currpage)
{
if(currpage <= this.pagecount && currpage>=1)
{
this.go(currpage);
}
}
}
PageListBar.prototype.toString = function()
{
var str = '', pStart = pEnd = 1;
if(this.pagecount <= 1)
{
pStart = pEnd = 1;
}else{
if(this.pagecount <= this.listlength)
{
pStart = 1;
pEnd = this.pagecount;
}else{
var movestep = Math.round(this.listlength/2);
if(this.currpage > movestep)
{
pStart = this.currpage - movestep;
pEnd = this.currpage + movestep;
if(pEnd > this.pagecount)
{
pStart -= pEnd - this.pagecount;
pEnd = this.pagecount;
}
if(pEnd > this.pagecount)
{
pEnd = this.pagecount;
pStart -= (pEnd - this.pagecount);
}
}else{
pStart = 1;
pEnd = this.listlength;
}
}
}
for(var i=pStart; i<=pEnd; i++)
{
str += '' + (i==this.currpage?('' + i + ''):i) + ' ';
}
str = '共' + this.pagecount + '页 首页 < ' + str + '> 尾页 跳转';
return str;
}
function mm()
{
var a = document.getElementsByTagName("input");
var ischeck,tmpnum
ischeck=false
for (var i=0; i