//**    ----------------------     Logo 标签    ---------------------  **//
function Login_Tag(Num){
    for(i=1;i<=6;i++){
        var con="Login_con_"+i;
        var tit="Login_tit_"+i;
        if(Num==i){
            document.getElementById(con).style.display="block";
            document.getElementById(tit).className="Login_tit_b";}
        else{
            document.getElementById(con).style.display="none";
            document.getElementById(tit).className="Login_tit";}
        }
}
//----------------------------         文字滚动         ----------------------------------------------//
function roll(ul, delay, speed, lh) {
var slideBox=document.getElementById(ul);
var delay, speed, lh;
var tid = null, pause = false;
var start = function() {
tid=setInterval(slide, speed);
}
var slide = function() {
if (pause) return;
slideBox.scrollTop += 2;
if (slideBox.scrollTop % lh == 0) {
clearInterval(tid);
slideBox.appendChild(slideBox.getElementsByTagName('ul')[0]);
slideBox.scrollTop = 0;
setTimeout(start, delay);
}
}
slideBox.onmouseover=function(){pause=true;}
slideBox.onmouseout=function(){pause=false;}
setTimeout(start, delay);
}

//**    ----------------------     分类标签    ---------------------  **//

function pyclass(Num){
    for(i=0;i<10;i++){
        var con="pyclass_con_"+i;
        var tit="pyclass_tit_"+i;
        if(Num==i){
            document.getElementById(con).style.display="block";
            document.getElementById(tit).className="off";}
        else{
            document.getElementById(con).style.display="none";
            document.getElementById(tit).className="on";}
        }
}

//**    ----------------------     Mouse 事件    ---------------------  **//
function banover(obj){
    obj.src=obj.src.replace(".jpg",".gif");}
function banout(obj){
    obj.src=obj.src.replace(".gif",".jpg");}