/*

showPages v1.1
----------------------
var pg = new showPages('pg');
pg.pageCount = 12; //定义总页数(必要)
pg.argName = 'p';    //定义参数名(可选,缺省为page)
pg.printHtml();        //显示页数


Supported in Internet Explorer, Mozilla Firefox
*/

function showPages(name) { //初始化属性
	this.name = name;      //对象名称
	this.page = 1;         //当前页数
	this.pageCount = 1;    //总页数
	this.argName = 'page'; //参数名
	this.showTimes = 1;    //打印次数
}

showPages.prototype.getPage = function(){ //丛url获得当前页数,如果变量重复只获取最后一个
	var args = location.search;
	var reg = new RegExp('[\?&]?' + this.argName + '=([^&]*)[&$]?', 'gi');
	var chk = args.match(reg);
	this.page = RegExp.$1;
}
showPages.prototype.checkPages = function(){ //进行当前页数和总页数的验证
	if (isNaN(parseInt(this.page))) this.page = 1;
	if (isNaN(parseInt(this.pageCount))) this.pageCount = 1;
	if (this.page < 1) this.page = 1;
	if (this.pageCount < 1) this.pageCount = 1;
	if (this.page > this.pageCount) this.page = this.pageCount;
	this.page = parseInt(this.page);
	this.pageCount = parseInt(this.pageCount);
}
showPages.prototype.createHtml = function(mode){ //生成html代码
	var strHtml = '', prevPage = this.page - 1, nextPage = this.page + 1;

	//
			strHtml += '<span class="count">共' + this.pageCount + '页 &nbsp当前第 <strong>' + this.page + '</strong> 页&nbsp;</span>';
			strHtml += '<span class="number">';
			if (prevPage < 1) {
				strHtml += '<span title="First Page">首页</span>&nbsp;';
				strHtml += '<span title="Prev Page">上一页</span>&nbsp;';
			} else {
				strHtml += '<span title="First Page"><a href="javascript:' + this.name + '.toPage(1);">首页</a></span>&nbsp;';
				strHtml += '<span title="Prev Page"><a href="javascript:' + this.name + '.toPage(' + prevPage + ');">上一页</a></span>&nbsp;';
			}
			if (this.page != 1) strHtml += '<span title="Page 1"><a href="javascript:' + this.name + '.toPage(1);">[1]</a></span>';
			if (this.page >= 5) strHtml += '<span>...</span>';
			if (this.pageCount > this.page + 2) {
				var endPage = this.page + 2;
			} else {
				var endPage = this.pageCount;
			}
			for (var i = this.page - 2; i <= endPage; i++) {
				if (i > 0) {
					if (i == this.page) {
						strHtml += '<span title="Page ' + i + '" style="color:red">[' + i + ']</span>';
					} else {
						if (i != 1 && i != this.pageCount) {
							strHtml += '<span title="Page ' + i + '"><a href="javascript:' + this.name + '.toPage(' + i + ');">[' + i + ']</a></span>';
						}
					}
				}
			}
			if (this.page + 3 < this.pageCount) strHtml += '<span>...</span>';
			if (this.page != this.pageCount) strHtml += '<span title="Page ' + this.pageCount + '"><a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">[' + this.pageCount + ']</a></span>';
			if (nextPage > this.pageCount) {
				strHtml += '&nbsp;<span title="Next Page">下一页</span>';
				strHtml += '&nbsp;<span title="Last Page">尾页</span>';
			} else {
				strHtml += '&nbsp;<span title="Next Page"><a href="javascript:' + this.name + '.toPage(' + nextPage + ');">下一页</a></span>';
				strHtml += '&nbsp;<span title="Last Page"><a href="javascript:' + this.name + '.toPage(' + this.pageCount + ');">尾页</a></span>';
			}
			strHtml += '</span><br />';

	return strHtml;
}
showPages.prototype.createUrl = function (page) { //生成页面跳转url
	if (isNaN(parseInt(page))) page = 1;
	if (page < 1) page = 1;
	if (page > this.pageCount) page = this.pageCount;
	var url = location.protocol + '//' + location.host + location.pathname;
	var args = location.search;
	var reg = new RegExp('([\?&]?)' + this.argName + '=[^&]*[&$]?', 'gi');
	args = args.replace(