var $=function(id)
{
return document.getelementbyid(id)
} 
function imgauto(i){//你必须给图片提前设定初始宽度和高度，建议直接就是最大宽度和高度
 var maxw=50; //定义图片显示的最大宽度
 var maxh=100; //定义图片显示的最大高度
 var o=new image();o.src=i.src;var w=o.width;var h=o.height;var t;if (w>maxw){t=maxw;}else

{t=w;}
 if ((h*t/w)>maxh){i.height=maxh;i.width=maxh/h*w;}else{i.width=t;i.height=t/w*h;}
}

function imgauto2(i){//你必须给图片提前设定初始宽度和高度，建议直接就是最大宽度和高度
 var maxw=650; //定义图片显示的最大宽度
 var maxh=1000; //定义图片显示的最大高度
 var o=new image();o.src=i.src;var w=o.width;var h=o.height;var t;if (w>maxw){t=maxw;}else

{t=w;}
 if ((h*t/w)>maxh){i.height=maxh;i.width=maxh/h*w;}else{i.width=t;i.height=t/w*h;}
}
function checkalert()
{
var t=$("title").value;
var n=$("name").value;
var ad=$("address").value;
var ph=$("phone").value;
var c=$("content").value;
if(t=="")
{
alert("留言标题必须填写！");
$("title").focus();
return false;
}
if(n=="")
{
alert("您的姓名必须填写！")
$("name").focus(); 
return false
}
if(ad=="")
{
alert("您的地址必须填写！")
$("address").focus(); 
return false
}
if(ph=="")
{
alert("您的电话必须填写！")
$("phone").focus(); 
return false
}
if(c=="")
{
alert("留言内容必须填写！")
$("content").focus(); 
return false
}
}
function checkmsg()
{
var title=document.form1("title").value;
var name=document.form1("name").value;
var email=document.form1("email").value;
var qq=document.form1("qq").value;
var content=document.form1("body").value;
if(title==""){
alert("留言标题不能为空！");
document.form1("title").focus();
return false;
}
if(name==""){
alert("姓名不能为空！");
document.form1("name").focus();
return false;
}
if(email==""){
alert("邮箱不能为空！");
document.form1("email").focus();
return false;
}
var rule=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
if (!rule.test(email)){
	alert("请输入有效邮箱!");
	return false;
}

if(qq==""){
alert("qq不能为空！");
document.form1("qq").focus();
return false;
}
if(isnan(qq))
{
alert("qq必须为数字！");
document.form1("qq").focus();
return false;
}
if((qq.length<=4)||(qq.length>10))
{
alert("qq不合法！");
document.form1("qq").focus();
return false;	
}
if(content==""){
alert("留言内容不能为空！");
document.form1("content").focus();
return false;
}
if(content.length>=400)
{
alert("留言内容太多！");
document.form1("content").focus();
return false;

}

}

function playerwindow(webname,bk,urlstr, left, top, width, height)
{
window.open(urlstr, webname, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+bk+',resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenx='+left+',screeny='+top+'');
}

function checkurl()
{
	g=document.form2.g_vote.length;
	n=0;
	for(i=0;i<g;i++)
	{
		if(document.form2.g_vote[i].checked)
		{
			n++;
		}
	}
		if(n==0)
		{
			alert('请你投票')
			return false;
		}
		else
		{
			return true;
		}
}

/***********友情链接***********/
function check1()
{
if(document.all["select11"].selected!=0)
{
var u=document.all["select11"].value;
window.open(u,'','');
}
}
function check2()
{
if(document.all["select22"].selected!=0)
{
var u=document.all["select22"].value;
window.open(u,'','');
}
}
function check3()
{
if(document.all["select33"].selected!=0)
{
var u=document.all["select33"].value;
window.open(u,'','');
}
}
function check4()
{
if(document.all["select44"].selected!=0)
{
var u=document.all["select44"].value;
window.open(u,'','');
}
}
function check5()
{
if(document.all["select55"].selected!=0)
{
var u=document.all["select55"].value;
window.open(u,'','');
}
}
function check6()
{
if(document.all["select66"].selected!=0)
{
var u=document.all["select66"].value;
window.open(u,'','');
}
}
//滚动相关
function marquee(i, direction)
{
	var obj = document.getelementbyid("marquee" + i);
	var obj1 = document.getelementbyid("marquee" + i + "_1");
	var obj2 = document.getelementbyid("marquee" + i + "_2");

	if (direction == "up")
	{
		if (obj2.offsettop - obj.scrolltop <= 0)
		{
			obj.scrolltop -= (obj1.offsetheight + 20);
		}
		else
		{
			var tmp = obj.scrolltop;
			obj.scrolltop++;
			if (obj.scrolltop == tmp)
			{
				obj.scrolltop = 1;
			}
		}
	}
	else
	{
		if (obj2.offsetwidth - obj.scrollleft <= 0)
		{
			obj.scrollleft -= obj1.offsetwidth;
		}
		else
		{
			obj.scrollleft++;
		}
	}
}


//搜索相关
function searchsubmit()
{
	var obj = document.searchform;

	if (obj.search.value == "")
	{
		obj.search.focus();
		return;
	}

	obj.submit();
}


//下拉菜单相关
var navcurrentid = "";

function showmenu(id)
{
	var objmenu = document.getelementbyid("menu" + id);
	objmenu.style.visibility = "visible";

	var objmenua = document.getelementbyid("menua" + id);
	if (objmenua.classname == "navcurrent")
	{
		navcurrentid = objmenua.uniqueid;
		if (!navcurrentid)
		{
			navcurrentid = objmenua.clientid;
		}
	}
	else
	{
		objmenua.classname = "navcurrent";
	}
}

function hiddmenu(id)
{
	var objmenu = document.getelementbyid("menu" + id);
	objmenu.style.visibility = "hidden";

	var objmenua = document.getelementbyid("menua" + id);
	if (objmenua.uniqueid != navcurrentid)
	{
		objmenua.classname = "nav";
	}
}


//屏蔽右键相关
var jsargument = document.getelementsbytagname("script")[document.getelementsbytagname("script").length-1].src;	//获取传递的参数
rightbutton = jsargument.substr(jsargument.indexof("rightbutton=") + "rightbutton=".length, 1);
if (rightbutton == "1")
{
	document.oncontextmenu = function(e){return false;}
	document.onselectstart = function(e){return false;}
	if (navigator.useragent.indexof("firefox") > 0)
	{
		document.writeln("<style>body {-moz-user-select: none;}</style>");
	}
}