var aLinks = new Array();
var aImages = new Array();

aLinks[0] = 'http://211.88.5.88/';
aImages[0] = '../images/img_443c.jpg';

aLinks[1] = 'http://showroom.cnwwl.com/ewm/';
aImages[1] = '../images/ewm.jpg';

aLinks[2] = 'http://cpc.ec.com.cn/article/cpcyjdt/200910/950020_1.html';
aImages[2] = '../images/img_443b.jpg';

aLinks[3] = 'http://cpc.ec.com.cn/index_sh.shtml';
aImages[3] = '../images/img_443a.jpg';


var iSize = 3; //滚动图片个数 最多为8个 变动需要调整css设置
var cNum = 3; //
var interval = 2000;
var setTime = null;

function picSwcInit(){

  var picHtml = '';
  var navHtml = '';
  var conHtml = '';

//初始化HTML代码
  navHtml += '<ul>';

  for(var i=0;i<=iSize;i++){
    picHtml += '<div style="display: none;" id="focusPic'+i+'"><a href="'+aLinks[i]+'" target="_blank"><img width="443" height="220" border="0" class="left" src="'+aImages[i]+'"/></a></div>'; 
    navHtml += '<li id="focusNav'+i+'"><a href="javascript:ps_showFocus('+i+');"><img width="23" height="13" border="0" src="../images/btn_news_'+(i+1)+'.gif"/></a></li>';
    conHtml += '<div style="display: none;" id="focusContent'+i+'"><h2><a href="'+aLinks[i]+'">'+'</a></h2><p>'+'</p></div>';
  }
  navHtml += '</ul>';

  jQuery('#picSwitch').append('<div class="pic"></div>');
  jQuery('#picSwitch .pic').html(picHtml);
  jQuery('#picSwitch .pic').append(navHtml);
//自动执行切换
  ps_rotate();
}

function ps_showFocus(num){
  cNum = num; //设置当前序号为流水序号
  for(var i = 0;i<=iSize;i++){
    var fpid = 'focusPic'+i;
    var fcid = 'focusContent'+i;
    var fnid = 'focusNav'+i;
    if(i==num){
      jQuery('#'+fpid).css('display','block');
      jQuery('#'+fcid).css('display','block');
      jQuery('#'+fnid+' img').attr('src','../images/btn_news_'+(i+1)+'_on.gif');
    }else{
      jQuery('#'+fpid).css('display','none');
      jQuery('#'+fcid).css('display','none');
      jQuery('#'+fnid+' img').attr('src','../images/btn_news_'+(i+1)+'.gif');
    }
  }

  clearTimeout(setTime);
  setTime = setTimeout("ps_rotate()",interval);
}

function ps_rotate(){
    cNum = (cNum>=iSize)?0:cNum+1; 
    ps_showFocus(cNum);
}

jQuery(function(){
  picSwcInit();
});