var NowImg = 0;
var bStart = 0;
var MaxImg=4;
var pause=true;
var st;
var fx=new Array("document.getElementById('li2')","document.getElementById('li4')","document.getElementById('li6')","document.getElementById('li8')");
var lx=new Array("document.getElementById('li1')","document.getElementById('li3')","document.getElementById('li5')","document.getElementById('li7')");
function fnToggle() 
{
	var next = NowImg + 1;
	if(next == MaxImg+1) 
	{
		NowImg = MaxImg;
		next = 1;
	}
    toggleTo(next);
	if(NowImg == MaxImg) 
	  NowImg = 1;
	else
	  NowImg++;
}


function toggleTo(img)
{
    var t=0;
	
     for(var i=1;i<5;i++)
     {
       if(img==i)
       {
       	eval(lx[i-1]+".style.display='none'");
	   	eval(fx[i-1]+".style.display='block'");
	   }
	   else
	   {
	   	eval(fx[i-1]+".style.display='none'");
	   	eval(lx[i-1]+".style.display='block'");
	   }
     }
}



function pause_resume() { 
if(pause) 
{
  st = setInterval('fnToggle()',2000);
  pause = true;
} 
}
function topause(imgid)
{	
   clearInterval(st);
   	for(var i=1;i<5;i++)
     {   
       if(imgid==(""+i))
       {
       	eval(lx[i-1]+".style.display='none'");
	   	eval(fx[i-1]+".style.display='block'");
	   }
	   else
	   {
	   	eval(fx[i-1]+".style.display='none'");
	   	eval(lx[i-1]+".style.display='block'");
	   }
     }
	pause = false;
} 

function tostart()
{
clearInterval(st);
pause = true;
pause_resume(); 
} 



function changeBgColor(link)
{

var alllinks=document.getElementById("ful").getElementsByTagName("a");
for (var i=0; i<alllinks.length; i++){
    alllinks[i].className="";
    }
link.className="bgcolor";
}

function changeBgColor_back(link)
{
var alllinks=document.getElementById("ful").getElementsByTagName("a");
for (var i=0; i<alllinks.length; i++){
	if(alllinks[i].name!=''){
		link.className="";
   		return  alllinks[i].className="bgcolor";
    }
    }
	
}