// jscript 文件

//document.oncontextmenu=new function("event.returnvalue=false;");


/*滚动特效*/
function marquee(i, direction)
{
	var obj = document.getelementbyid("demo" + i);
	var obj1 = document.getelementbyid("demo" + i + "_1");
	var obj2 = document.getelementbyid("demo" + 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++;
		}
	}
}

function marqueestart(i, direction)
{
	var obj = document.getelementbyid("demo" + i);
	var obj1 = document.getelementbyid("demo" + i + "_1");
	var obj2 = document.getelementbyid("demo" + i + "_2");

	obj2.innerhtml = obj1.innerhtml;
	var marqueevar = window.setinterval("marquee("+ i +", '"+ direction +"')", 20);
	obj.onmouseover = function(){window.clearinterval(marqueevar);}
	obj.onmouseout = function(){marqueevar = window.setinterval("marquee("+ i +", '"+ direction +"')", 20);}
}


/*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.id;
    }
    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.id != navcurrentid)
	{
		objmenua.classname = "nav";
	}
}

function addasfavorite(title,url){
	try{
		if (window.sidebar) { 
			window.sidebar.addpanel(title, url,"");
		} else if( document.all ) {
			window.external.addfavorite( url, title);
		} else if( window.opera && window.print ) {
			alert("对不起，不支持此浏览器,清同时按住ctrl+d键加入收藏！");
			return true;
		}
	}
	catch(e){
			alert("对不起，不支持此浏览器,请同时按住ctrl+d键加入收藏！");
	}
}
function sethomepage(url)
{
	if (document.all)
	{
		try{
			document.body.style.behavior='url(#default#homepage)';
			document.body.sethomepage(url);
		}catch(e){
		}
	}
	else if (window.sidebar)
	{
		if(window.netscape)
		{
			try
			{ 
				netscape.security.privilegemanager.enableprivilege("universalxpconnect"); 
			} 
			catch (e) 
			{ 
			alert("对不起，不支持此浏览器!");
			}
		}
		var prefs = components.classes['@mozilla.org/preferences-service;1'].getservice(components. interfaces.nsiprefbranch);
		prefs.setcharpref('browser.startup.homepage',url);
	}
}