// JScript 文件
function VodDivChange(vod_ID){
    var voddiv=document.getElementById("voddiv_"+vod_ID);
    var clickdiv=document.getElementById("chickdiv_"+vod_ID);
    var flashdiv = document.getElementById("flashdiv_" + vod_ID);
    var flash = document.getElementById("flash_" + vod_ID);
    if(voddiv.style.position=="static"){
		voddiv.style.position="absolute";
		voddiv.style.top="-150px";
		voddiv.style.left="-100px";
		voddiv.style.width="520px";
		voddiv.style.height="436px";
		flashdiv.style.width="520px";
		flashdiv.style.height = "420px";
		clickdiv.innerHTML="缩小";
	}else{
		voddiv.style.position="static";
		voddiv.style.top="";
		voddiv.style.left="";
		voddiv.style.width="320px";
		voddiv.style.height="286px";
		flashdiv.style.width="320px";
		flashdiv.style.height="270px";
		clickdiv.innerHTML="放大观看";
    }
    flash.style.width = flashdiv.style.width;
    flash.style.height = flashdiv.style.height;
}

function intval(v) 
{ 
     v = parseInt(v); 
     return isNaN(v) ? 0 : v; 
}

// 获取元素信息 
function getPos(e) 
{ 
     var l = 0; 
     var t   = 0; 
     var w = intval(e.style.width); 
     var h = intval(e.style.height); 
     var wb = e.offsetWidth; 
     var hb = e.offsetHeight; 
     while (e.offsetParent){ 
         l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0); 
         t += e.offsetTop   + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0); 
         e = e.offsetParent; 
     } 
     l += e.offsetLeft + (e.currentStyle?intval(e.currentStyle.borderLeftWidth):0); 
     t   += e.offsetTop   + (e.currentStyle?intval(e.currentStyle.borderTopWidth):0); 
     return {x:l, y:t, w:w, h:h, wb:wb, hb:hb}; 
}

// 获取滚动条信息 
function getScroll() 
{ 
     var t, l, w, h; 
     
     if (document.documentElement && document.documentElement.scrollTop) { 
         t = document.documentElement.scrollTop; 
         l = document.documentElement.scrollLeft; 
         w = document.documentElement.scrollWidth; 
         h = document.documentElement.scrollHeight; 
     } else if (document.body) { 
         t = document.body.scrollTop; 
         l = document.body.scrollLeft; 
         w = document.body.scrollWidth; 
         h = document.body.scrollHeight; 
     } 
     return { t: t, l: l, w: w, h: h }; 
}

// 锚点(Anchor)间平滑跳转 
function scroller(el, duration) 
{ 
     if(typeof el != "object") { el = document.getElementById(el); }
     if(!el) return;

     var z = this; 
     z.el = el; 
     z.p = getPos(el); 
     z.s = getScroll(); 
     z.clear = function(){window.clearInterval(z.timer);z.timer=null}; 
     z.t=(new Date).getTime();

     z.step = function(){ 
         var t = (new Date).getTime(); 
         var p = (t - z.t) / duration; 
         if (t >= duration + z.t) { 
             z.clear(); 
             window.setTimeout(function(){z.scroll(z.p.y, z.p.x)},13); 
         } else { 
             st = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.y-z.s.t) + z.s.t; 
             sl = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.x-z.s.l) + z.s.l; 
             z.scroll(st, sl); 
         } 
     }; 
     z.scroll = function (t, l){window.scrollTo(l, t)}; 
     z.timer = window.setInterval(function(){z.step();},13); 
}


//