var slide_now_num=0;
var slide_setTimeoutID=0;
var slide_playsetTimeoutID=0;
function slide_nav_onmouseover(liobj,num)
{
	clearInterval(slide_playsetTimeoutID);
	slide_nav_play(liobj,num);
}
function slide_nav_play(liobj,num)
{
	var lis_nav=$("slide_nav").getElementsByTagName("li");
	for (var i=0;i<lis_nav.length;i++) lis_nav[i].className="";
	liobj.className="slide_nav_curr_li";
	if (slide_setTimeoutID==0 && slide_now_num!=num)
	{
		$("slide_img").innerHTML=slide_img_js[slide_now_num]+slide_img_js[num];
		var lis=$("slide_img").getElementsByTagName("div");
		lis[0].style.top="0px";
		lis[1].style.top="0px";
		slide_setTimeoutID=setTimeout("slide_go("+slide_now_num+","+num+")",10);
		slide_now_num=num;
	}
}
function slide_nav_onmouseout(liobj,num)
{
	slide_playsetTimeoutID=setTimeout("slide_play()",5000);
}
function slide_go(objnum_pre,objnum2_now)
{
	var lis=$("slide_img").getElementsByTagName("div");
	lis[0].style.top=(cnum(lis[0].style.top)-50)+"px";
	lis[1].style.top=(cnum(lis[1].style.top)-50)+"px";
	if (cnum(lis[0].style.top)<=-335)
	{
		lis[0].style.top=0+"px";
		lis[0].style.display="none";
		lis[1].style.top=0+"px";
		lis[1].style.display="inline";
		clearInterval(slide_setTimeoutID);
		slide_setTimeoutID=0;
		return;
	}
	slide_setTimeoutID=setTimeout("slide_go("+objnum_pre+","+objnum2_now+")",10);
}
function slide_init()
{
	var lis=$("slide_nav").getElementsByTagName("li");
	lis[0].onmouseover=function(){slide_nav_onmouseover(this,0);}
	lis[0].onmouseout=function(){slide_nav_onmouseout(this,0);}
	lis[1].onmouseover=function(){slide_nav_onmouseover(this,1);}
	lis[1].onmouseout=function(){slide_nav_onmouseout(this,1);}
	lis[2].onmouseover=function(){slide_nav_onmouseover(this,2);}
	lis[2].onmouseout=function(){slide_nav_onmouseout(this,2);}
	lis[3].onmouseover=function(){slide_nav_onmouseover(this,3);}
	lis[3].onmouseout=function(){slide_nav_onmouseout(this,3);}
	lis[4].onmouseover=function(){slide_nav_onmouseover(this,4);}
	lis[4].onmouseout=function(){slide_nav_onmouseout(this,4);}
	$("slide_img").innerHTML=slide_img_js[slide_now_num];
	slide_playsetTimeoutID=setTimeout("slide_play()",5000);
}
function slide_play()
{
	var lis=$("slide_nav").getElementsByTagName("li");
	var temp_slide_now_num=slide_now_num+1;
	if (temp_slide_now_num>=lis.length) temp_slide_now_num=0;
	slide_nav_play(lis[temp_slide_now_num],temp_slide_now_num);
	slide_playsetTimeoutID=setTimeout("slide_play()",5000);
	 
}
slide_init();