//带箭头的标签切换函数
function swapJtTab(tabPrefix, jtPrefix,pagePrefix,totalPageNum,currentPageNo){
 //onmouseover="swapJtTab('tabJt','jt','zj','4','3')"
 
	for( var i = 0; i < totalPageNum; i++){
		document.getElementById(tabPrefix+i).style.background='url(/images/titlebg.gif)';//按钮背景
		document.getElementById(tabPrefix+i).getElementsByTagName('a')[0].style.color='#212121';//按钮链接文字颜色
		document.getElementById(jtPrefix+i).style.visibility='hidden';//箭头
		document.getElementById(pagePrefix+i).style.display="none";//切换的页面
	}
	document.getElementById(tabPrefix+currentPageNo).style.background='#fff';//按钮背景
	document.getElementById(tabPrefix+currentPageNo).getElementsByTagName('a')[0].style.color='#fb6600';//按钮链接文字颜色
	document.getElementById(tabPrefix+currentPageNo).style.cursor="pointer";//切换的手型
	document.getElementById(jtPrefix+currentPageNo).style.visibility='visible';//箭头
	document.getElementById(pagePrefix+currentPageNo).style.display="block";//切换的页面
}

//不带下箭头的标签切换函数
function swapTab(tabPrefix,pagePrefix,totalPageNum,currentPageNo){
	for( var i = 1; i <= totalPageNum; i++){
		document.getElementById(tabPrefix+i).style.background="url(/images/titlebg.gif)";
		document.getElementById(tabPrefix+i).style.background='url(/images/titlebg.gif)';//按钮背景
		document.getElementById(tabPrefix+i).getElementsByTagName('a')[0].style.fontWeight='normal';//按钮链接文字颜色
		document.getElementById(tabPrefix+i).style.borderBottom='#c6d8e6 1px solid';
		document.getElementById(pagePrefix+i).style.display="none";//切换的页面
	}
	document.getElementById(tabPrefix+currentPageNo).style.background='#fff';//按钮背景
	document.getElementById(tabPrefix+currentPageNo).getElementsByTagName('a')[0].style.fontWeight='bold';//按钮链接文字颜色
	document.getElementById(tabPrefix+currentPageNo).style.cursor="pointer";//切换的手型
	document.getElementById(tabPrefix+currentPageNo).style.borderBottom='#fff 1px solid';
	document.getElementById(pagePrefix+currentPageNo).style.display="block";//切换的页面
	
}

function mouseOver(obj) {
	obj.style.backgroundColor='#ecf7ff';
}

function mouseOut(obj) {
	obj.style.backgroundColor='#fff';
}


//设置当前栏目
function setMenu(a,b){
	for (var i = 1; i<=a;i++){
		document.getElementById("menu_"+ i).className  = "w2w";
	}
	document.getElementById("menu_"+ b).className  = "menu";
	
}
//切换菜单
function showtab(btnid, tabid, tabnumber) {
	for (i = 1; i <= tabnumber; i++) {
		document.getElementById(tabid + "_btn" + i).className = "";
		document.getElementById(tabid + "_con" + i).style.display = "none";
	}
	document.getElementById(tabid + "_btn" + btnid).className = "current";
	document.getElementById(tabid + "_con" + btnid).style.display = "";
}

//全选择或全取消//
function checkAll(name)
{
	var el = document.getElementsByTagName('input');
	var len = el.length;
	for(var i=0; i<len; i++)
		{
			if((el[i].type=="checkbox") && (el[i].name==name))
			{ 
				el[i].checked = true;
			}
		}
}
function clearAll(name)
{
	var el = document.getElementsByTagName('input');
	var len = el.length;
	for(var i=0; i<len; i++)
	{
		if((el[i].type=="checkbox") && (el[i].name==name))
		{
			el[i].checked = false;
		}
	}
}

//****************************************************************
//* 名　　称：DataLength
//* 功 能：计算数据的长度
//* 入口参数：fData：需要计算的数据
//* 出口参数：返回fData的长度(Unicode长度为2，非Unicode长度为1)
//*****************************************************************
//返回字符串长度，中文算两个
function DataLength(fData)
{
	fData = trim(fData);
	var i,rt=0;
	for(i=0;i<fData.length;i++)
	{
		rt++;
		if(fData.charCodeAt(i)>256)rt++;
	}
	return rt;
}

//去空函数,相当于VB中的trim
function trim(str)
{
	var localstr = new String(str);
	var pattern = /^\s+|\s+$/g;
	localstr = localstr.replace(pattern,"");
	return localstr;
}


//复制字符串
function _copyUrl(str)
{
	try
	{
		clipboardData.setData('Text',str);
		alert('您的地址已经复制在您的剪贴版中了');
		return false;
	}
	catch(e)
	{
		alert(e.description)
		return null;
	}
}

function setCopy(_sTxt){try{clipboardData.setData('Text',_sTxt)}catch(e){}}

//用户等级
function rank1(index)
{
	var rank = index;
	var rankimg = "";
	for (i = 1; i <= rank.substring(0,1); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/gold_sun.gif' class='ico'>";
	}
	for (i = 1; i <= rank.substring(1,2); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/silvery_sun.gif' class='ico'>";
	}
	for (i = 1; i <= rank.substring(2,3); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/gold_moon.gif' class='ico'>";
	}
	for (i = 1; i <= rank.substring(3,4); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/silvery_moon.gif' class='ico'>";
	}
	for (i = 1; i <= rank.substring(4,5); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/gold_star.gif' class='ico'>";
	}
	for (i = 1; i <= rank.substring(5,6); i++)
	{
		rankimg = rankimg + "<img src='/images/ico/silvery_star.gif' class='ico'>";
	}
	return rankimg;;
}
 
//创建随机数
rnd.today = new Date(); 
rnd.seed = rnd.today.getTime(); 
function rnd(){//随机浮点数
	rnd.seed = (rnd.seed*9301+49297) % 233280; 
	return rnd.seed/(233280.0); 
}
function rand(number) { //随机整数
	return Math.ceil(rnd()*number); 
}