// JavaScript Document

//政务信息、科学发展观切换
function changeTag(currentID)
{

	if (currentID == 1)
	{
		document.getElementById("mainbody_1_3_1_span_1").className = "aBlue fB";
		document.getElementById("mainbody_1_3_1_span_2").className = "aGray";
		document.getElementById("mainbody_1_3_3_zhengwu").style.display = "";
		document.getElementById("mainbody_1_3_3_kexue").style.display = "none";
	}
	else
	{
		document.getElementById("mainbody_1_3_1_span_1").className = "aGray";
		document.getElementById("mainbody_1_3_1_span_2").className = "aBlue fB";
		document.getElementById("mainbody_1_3_3_zhengwu").style.display = "none";
		document.getElementById("mainbody_1_3_3_kexue").style.display = "";
	}
}


//房产、逛街切换
function tagGroup(pre,total,curr,bigboxID){
    for(var i=1;i<=total;i++){
        if(i==curr){
            //document.getElementById(pre+i).className="aBlue cnl_" + i;
            document.getElementById(pre+i).style.background="url(/images/2009/gxnews512_r2_c2.jpg)";
            document.getElementById(pre+"content_"+i).style.display="";
        }else{
            //document.getElementById(pre+i).className="cnl_" + i;
            document.getElementById(pre+i).style.background="url(/images/2009/gxnews512_r2_c4.jpg)";
            document.getElementById(pre+"content_"+i).style.display="none";
        }
    }
	//var backImg = (curr == 1) ? "url(/images/2009/gxnews512_r2_c2.jpg)": "url(/images/2009/gxnews512_r2_c4.jpg)";
	//document.getElementById(bigboxID).style.background=backImg;
}


//友情链接切换
function tagGroup_friendLink(pre,total,curr){
    for(var i=1;i<=total;i++){
        if(i==curr){
            document.getElementById(pre+i).className="fl_1";
            document.getElementById(pre+"content_"+i).style.display="";
        }else{
            document.getElementById(pre+i).className="fl_2";
            document.getElementById(pre+"content_"+i).style.display="none";
        }
    }
}


//手机报栏目：获得月、日
function getSJB_M_D()
{
	var today = new Date();
	var month =today.getMonth() +1;
	var day =today.getDate();
	document.write(month +"月" + day +"日 " );
}



//选择心情
function styleChange(n)
{
	setCookie("styleID", n, 365);
	document.getElementById("main_cssLink").href = cssPath+n+".css";
}


//函数接收3个参数：cookie名称，cookie值，以及在多少天后过期。这里约定expireDays为0时不设定过期时间，即当浏览器关闭时cookie自动消失。
function setCookie(name, value, expireDays)
{
	var cookieString = name + "=" + escape(value) + "; path=/";//不能设置domain,否则cookie设置不成功！
	//判断是否设置过期时间
	if (expireDays > 0)
	{
		var date = new Date();
		date.setTime(date.getTime() + expireDays * 24 * 3600 * 1000);
		cookieString = cookieString + "; expires=" + date.toGMTString();
	}
	document.cookie = cookieString;
}


/*
返回名称为name的cookie值，如果不存在则返回空
*/
function getCookie(name)
{
	var strCookie = document.cookie;
	var arrCookie = strCookie.split("; ");
	for (var i = 0; i < arrCookie.length; i++)
	{
		var arr = arrCookie[i].split("=");
		if (arr[0] == name) return unescape(arr[1]);
	}
	return "";
}


//删除指定名称的cookie
function deleteCookie(name)
{
	var date = new Date();
	date.setTime(date.getTime() - 10000);
	document.cookie = name + "=v; expires=" + date.toGMTString();
}


//显示手机报
function display_sjb_YD(divID)
{
	var divID = document.getElementById(divID);
	divID.style.top = document.documentElement.scrollTop + ((document.documentElement.clientHeight - parseInt(divID.style.height)) / 2);
	divID.style.left = document.body.scrollLeft + (document.body.offsetWidth - parseInt(divID.style.width)) / 2;
	divID.style.display = "";
}

//隐藏手机报
function hide_sjb_YD(divID)
{
	var divID = document.getElementById(divID);
	divID.style.display = "none";
}