/*
 * @author huwd QQ:31916326 email : java_doc@163.com
 * @date 2009-05-26
 */
var B=sliderPlay={current:0,next:0,scrollInterval:0,autoScroller:0};sliderPlay.scroll=function(B){if(!$("div_big_news_img")){clearInterval(sliderPlay.autoScroller);return}var C=0,K=227,H=16,D=sliderPlay;D.next=B;if(B!=D.current&&C>H/8)return;clearInterval(D.scrollInterval);var J=$("div_big_news_item").getElementsByTagName("LI");for(var F=0;F<J.length;F++)J[F].className="";J[B].className="up";var L=B-D.current,I=$("div_big_news_img").scrollTop,G=L*K+(D.current*K-I);D.scrollInterval=setInterval(function(){E(I,G)},10);function E(D,E){$("div_big_news_img").scrollTop=A(C,D,E,H);C++;if(C==H){clearInterval(sliderPlay.scrollInterval);sliderPlay.scrollInterval=0;C=0;$("div_big_news_img").scrollTop=D+E;sliderPlay.current=B}}function A(B,C,D,A){return D*((B=B/A-1)*B*B+1)+C}};sliderPlay.stop=function(){clearInterval(sliderPlay.autoScroller)};sliderPlay.run=function(){clearInterval(sliderPlay.autoScroller);sliderPlay.autoScroller=setInterval(function(){sliderPlay.scroll(sliderPlay.current==4?0:sliderPlay.current+1)},5000)};sliderPlay.over=function(A){clearInterval(sliderPlay.autoScroller);sliderPlay.scroll(A)};sliderPlay.auto=function(){clearInterval(sliderPlay.autoScroller);sliderPlay.autoScroller=setInterval(function(){sliderPlay.scroll(sliderPlay.current==4?0:sliderPlay.current+1)},5000)}