var s_url = "http://www.ytkjw.com";

var xmlHttpForNews;


//文本框得到与失去焦点



function $$(id) {
    return document.getElementById(id);
}
function addLoadEvent(func){
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function(){
            oldonload();
            func();
        }
    }
}
function moveElement(elementID,final_x,final_y,interval) {
    if (!document.getElementById) return false;
    if (!document.getElementById(elementID)) return false;
    var elem = document.getElementById(elementID);
    if (elem.movement) {
        clearTimeout(elem.movement);
    }
    if (!elem.style.left) {
        elem.style.left = "0px";
    }
    if (!elem.style.top) {
        elem.style.top = "0px";
    }
    var xpos = parseInt(elem.style.left);
    var ypos = parseInt(elem.style.top);
    if (xpos == final_x && ypos == final_y) {
        return true;
    }
    if (xpos < final_x) {
        var dist = Math.ceil((final_x - xpos)/10);
        xpos = xpos + dist;
    }
    if (xpos > final_x) {
        var dist = Math.ceil((xpos - final_x)/10);
        xpos = xpos - dist;
    }
    if (ypos < final_y) {
        var dist = Math.ceil((final_y - ypos)/10);
        ypos = ypos + dist;
    }
    if (ypos > final_y) {
        var dist = Math.ceil((ypos - final_y)/10);
        ypos = ypos - dist;
    }
    elem.style.left = xpos + "px";
    elem.style.top = ypos + "px";
    var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
    elem.movement = setTimeout(repeat,interval);
}
function iFocusChange() {
    if(!$$('ifocus')) return false;
    $$('ifocus').onmouseover = function(){
        atuokey = true
    };
    $$('ifocus').onmouseout = function(){
        atuokey = false
    };
    var iFocusBtns = $$('ifocus_btn').getElementsByTagName('li');
    var listLength = iFocusBtns.length;
    for(var i=0;i<listLength;i++){
        iFocusBtns[i].index=i;
        iFocusBtns[i].onmouseover = function() {
            moveElement('ifocus_piclist',0,-(this.index*300),5);
            classCurrent('ifocus_btn',this.index);
        }
    }
}
setInterval('autoiFocus()',5500);
var atuokey = false;
function autoiFocus() {
    if(!$$('ifocus')) return false;
    if(atuokey) return false;
    var focusBtnList = $$('ifocus_btn').getElementsByTagName('li');
    var listLength = focusBtnList.length;
    for(var i=0; i<listLength; i++) {
        if (focusBtnList[i].className == 'piccurrent') var currentNum = i;
    }
    if (currentNum!=listLength-1){
        moveElement('ifocus_piclist',0,-((currentNum+1-0)*300),5);
        classCurrent('ifocus_btn',currentNum+1-0);
    }
    else{
        moveElement('ifocus_piclist',0,0,5);
        classCurrent('ifocus_btn',0);
    }
}
function classCurrent(iFocusBtnID,n){
    var iFocusBtns= $$(iFocusBtnID).getElementsByTagName('li');
    for(var i=0; i<iFocusBtns.length; i++) {
        document.getElementById("pic_"+i).style.backgroundImage='';
        if (i==n) {
            iFocusBtns[n].className='piccurrent';
            document.getElementById("pic_"+n).style.backgroundImage='url('+s_url+'/templates/images/picplayer_bg_current.jpg)';
        } else {
            iFocusBtns[i].className='normal';
        }
    }
}
addLoadEvent(iFocusChange);