//选择器
function $a(id, tag) {
    var re = (id && typeof id != "string") ? id : document.getElementById(id);
    if (!tag) { return re; } else {
        return re.getElementsByTagName(tag);
    }
}

//焦点滚动图 点击移动
function movec() {
    var o = $a("slide_frame", "");
    var oli = $a("slide_frame", "dl");
    var oliw = oli[0].offsetWidth; //每次移动的宽度	 
    var ow = o.offsetWidth - 2;
    var dnow = 0; //当前位置	
    var olf = oliw - (ow - oliw + 10) / 2;
    o["scrollLeft"] = olf + (dnow * oliw);
    //var rqbd = $a("slide_num", "ul")[0];
    var extime;

    //for (var i = 1; i < oli.length; i++) { rqbd.innerHTML += "<li>" + i + "</li>"; }    
    
    //var rq = $a("slide_num", "li");
    //for (var i = 0; i < rq.length; i++) { reg(i); };
    
    oli[dnow].className = "slide_show"; //rq[dnow].className = 
    var wwww = setInterval(uu, 2000);
    /*
    function reg(i) {
        rq[i].onclick = function() {
            oli[dnow].className = rq[dnow].className = "";
            dnow = i;
            oli[dnow].className = rq[dnow].className = "slide_show";
            mv();
        }
    } 
    */

    function mv() {
        clearInterval(extime);
        clearInterval(wwww);
        extime = setInterval(bc, 15);
        wwww = setInterval(uu, 8000);
    }
    function bc() {
        var ns = ((dnow * oliw + olf) - o["scrollLeft"]);
        var v = ns > 0 ? Math.ceil(ns / 10) : Math.floor(ns / 10);
        o["scrollLeft"] += v; if (v == 0) {
            clearInterval(extime);
            oli[dnow].className = "slide_show";//rq[dnow].className = 
            v = null;
        }
    }
    function uu() {
        if (dnow < oli.length - 2) {
            oli[dnow].className = ""; //rq[dnow].className = 
            dnow++;
            oli[dnow].className = "slide_show"; //rq[dnow].className = 
        }
        else {
            oli[dnow].className = ""; //rq[dnow].className = 
            dnow = 0;
            oli[dnow].className = "slide_show"; //rq[dnow].className = 
        }
        mv();
    }

    function ud() {
        if (dnow > 0) {
            oli[dnow].className = ""; //rq[dnow].className =
            dnow--;
            oli[dnow].className = "slide_show"; //rq[dnow].className = 
        }
        else {
            oli[dnow].className = ""; //rq[dnow].className = 
            dnow = oli.length - 2;
            oli[dnow].className = "slide_show"; //rq[dnow].className = 
        }
        mv();
    }
    //o.onmouseover=function(){clearInterval(extime);clearInterval(wwww);}
    //o.onmouseout=function(){extime=setInterval(bc,15);wwww=setInterval(uu,8000);}    

    var ar_l = $a("arrow_left", "");
    var ar_r = $a("arrow_right", "");

    function reg_ar() {
        ar_l.onclick = ud;

        ar_r.onclick = uu;
    }
    reg_ar();

}

function opacity_dark(elid) {
    var tar = $a(elid);
    tar.style.opacity = "1.0";
    tar.style.filter = "Alpha(Opacity=100)";
}
function opacity_light(elid) {
    var tar = $a(elid);
    tar.style.opacity = "0.75";
    tar.style.filter = "Alpha(Opacity=75)";
}


//auto hide the arrows
function omin(el) {
    if (el.id == "arrow_left") {
        el.style.backgroundImage = "url(includes/templates/101_new/images/home/arrow_left.png)";
    } else if (el.id == "arrow_right") {
        el.style.backgroundImage = "url(includes/templates/101_new/images/home/arrow_right.png)";
    }
}
function omout(el) {
    el.style.backgroundImage = "url(includes/templates/101_new/images/home/transparent.gif)";
}