//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>");
	}
}

function sethome(url){
    if (document.all) {
        document.body.style.behavior='url(#default#homepage)';
        document.body.sethomepage(url); 
    }else{ 
            alert("您好,您的浏览器不支持自动设置页面为首页功能,请您手动在浏览器里设置该页面为首页!");
    } 
}