function classNormal(B,D,G)
{
	var F=leogetEid(B).getElementsByTagName("li");
	var C=leogetEid(D).getElementsByTagName("li");
	var E=leogetEid(G).getElementsByTagName("li");
	for(var A=0;A<C.length;A++)
	{
		F[A].className="normal";
		C[A].className="normal";
		E[A].className="normal"
	}
}

function classCurrent(A,C,G,F)
{
	var E=leogetEid(A).getElementsByTagName("li");
	var B=leogetEid(C).getElementsByTagName("li");
	var D=leogetEid(G).getElementsByTagName("li");
	E[F].className="current";
	B[F].className="current";
	D[F].className="current";
}

function iFocusDis()
{
	curAlen = (curAlen + 1 > 3 ) ? 0 : (curAlen + 1);
	classNormal("ifocus_piclist","ifocus_btn","ifocus_tx");
	classCurrent("ifocus_piclist","ifocus_btn","ifocus_tx",curAlen);
	clearInterval(intTimer);
	intTimer = setInterval(iFocusDis, 4000);
}

function iFocusChange()
{	
	if(!leogetEid("hot_b_a"))
	{
		return false
	}
	var A=leogetEid("ifocus_btn").getElementsByTagName("li");
	
	A[0].onmouseover=function()
	{
		curAlen = 3;
		iFocusDis();
	};
	A[1].onmouseover=function()
	{
		curAlen = 0;
		iFocusDis();
	};
	A[2].onmouseover=function()
	{
		curAlen = 1;
		iFocusDis();
	};
	A[3].onmouseover=function()
	{
		curAlen = 2;
		iFocusDis();
	}
	iFocusDis();
}

var curAlen = -1;	//对象编号
var intTimer;	//定时执行变量
//PNG背景透明JS代码
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6. 
{ 
    var arVersion = navigator.appVersion.split("MSIE") 
    var version = parseFloat(arVersion[1]) 
    if ((version >= 5.5) && (document.body.filters)) 
    { 
       for(var j=0; j<document.images.length; j++) 
       { 
          var img = document.images[j] 
          var imgName = img.src.toUpperCase() 
          if (imgName.substring(imgName.length-3, imgName.length) == "PNG") 
          { 
             var imgID = (img.id) ? "id='" + img.id + "' " : "" 
             var imgClass = (img.className) ? "class='" + img.className + "' " : "" 
             var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " 
             var imgStyle = "display:inline-block;" + img.style.cssText 
             if (img.align == "left") imgStyle = "float:left;" + imgStyle 
             if (img.align == "right") imgStyle = "float:right;" + imgStyle 
             if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle 
             var strNewHTML = "<span " + imgID + imgClass + imgTitle 
             + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" 
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" 
             + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
             img.outerHTML = strNewHTML 
             j = j-1 
          } 
       } 
    }     
} 
window.attachEvent("onload", correctPNG);