//取id-------------------------------------------------------------------------
function getebyid(objectid){
    if (document.getelementbyid && document.getelementbyid(objectid)) {
        return document.getelementbyid(objectid)
    }
    else 
        if (document.all && document.all(objectid)) {
            return document.all(objectid)
        }
        else 
            if (document.layers && document.layers[objectid]) {
                return document.layers[objectid]
            }
            else {
                return false
            }
}

//通过样式取对象-------------------------------------------------------------
function getelementsbyclassname(classname, tagname){
    var ele = [], all = document.getelementsbytagname(tagname || "*");
    for (var i = 0; i < all.length; i++) {
        if (all[i].classname == classname) {
            ele[ele.length] = all[i];
        }
    }
    return ele;
}

//下拉层------------------------------------------------------

function showlayer (baseid, divid,clsname,leftpx,toppx) {
    baseid = getebyid(baseid);
    divid  = getebyid(divid);
    divid.style.left=leftpx+"px";
    divid.style.top=toppx+"px";
    if (showlayer.timer) cleartimeout(showlayer.timer);
	hidecur();
	baseid.classname=clsname+'_on';
    divid.style.display = 'block';
	showlayer.cur = divid;
	showlayer.cls=baseid;
    if (! divid.iscreate) {
        divid.iscreate = true;
        //divid.timer = 0;
        divid.onmouseover = function () {
            if (showlayer.timer) cleartimeout(showlayer.timer);
			hidecur();
			baseid.classname=clsname+'_on';
            divid.style.display = 'block';
			
        };
        function hide () {
            showlayer.timer = settimeout(function () {divid.style.display = 'none';baseid.classname='';}, 500);
        }
        divid.onmouseout = hide;
        baseid.onmouseout = hide;
    }
	function hidecur () {
		showlayer.cur && (showlayer.cur.style.display = 'none')&& showlayer.cls && (showlayer.cls.classname='');
	}
}


//infoid 为选卡内容区域div的id。cardid传this。调用是注意''的使用。
//---------------------------------------------------
function showcard(cardid, infoid, clsname){
    var cardlist = cardid.parentnode.getelementsbytagname("li");
    for (i = 0; i < cardlist.length; i++) {
        if (cardid == cardlist[i]) {
            cardlist[i].classname = clsname + "_on";
            document.getelementbyid(infoid + i).style.display = "block";
        }
        else {
            cardlist[i].classname = clsname + "_off";
            document.getelementbyid(infoid + i).style.display = "none";
        }
    }
}


//输入框点击之后进行颜色标示--------------------------------------------------
function inputstyle(classname, tagname){
	var inputlist=getelementsbyclassname(classname, tagname);
	for(var i=0;i<inputlist.length;i++){
		inputlist[i].onfocus=function(){
			this.classname=classname+'focus';
			}
		inputlist[i].onblur=function(){
			this.classname=classname;
			}
		}
	}

//输入框点击之后进行颜色标示 提示文字隐藏和显示 主要用于登录 注册 搜索--------------------------------------------------
function inputstyletips(inputid, inputclassname, inputtipsid){
    var inputobj = document.getelementbyid(inputid);
    var remindtextobj = document.getelementbyid(inputtipsid);
    var inputvalue = inputobj.value;  
	
    if (inputvalue != '') {
        remindtextobj.style.display = "none";
    }
    else {
        remindtextobj.style.display = "block";
    }

	
    inputobj.onfocus = function(){
        this.classname = inputclassname + 'focus';
        remindtextobj.style.display = "none";
    }
    
    inputobj.onblur = function(){
        this.classname = inputclassname;
        var _inputvalue = this.value;
        if (_inputvalue != '') {
            remindtextobj.style.display = "none";
        }
        else {
            remindtextobj.style.display = "block";
        }
    }
    
    remindtextobj.onclick = function(){
        this.style.display = "none";
        inputobj.focus();
        inputobj.classname = inputclassname + 'focus';
    }
	
}

function initdefault(){
				
	if(getebyid('searchinput')){
		inputstyletips('searchinput','searchinput','seachspan');
		}

}

initdefault();


//首页滚动新闻----------------------------------------------------------------------------
function appendli(obj){
	$(obj).find("ul:first").animate({
		opacity:'0.2'
	},500,function(){
	$(this).animate({opacity:'1'},800).find("li:first").appendto(this);
	});
}

function autoscroll(){
    $t=setinterval('appendli("#index_news_scroll")',4000)
    $("#index_news_scroll").hover(function(){clearinterval($t);},function(){$t=setinterval('appendli("#index_news_scroll")',4000);});
}

 autoscroll();