// JavaScript Document
function showFocus(num)
{
 for(var id = 1;id<=4;id++)
 {
  var fpid="focusPic"+id;
  var fcid="focusContent"+id;
  var fnid="focusnav"+id;
  if(id==num){
  	try{document.getElementById(fpid).style.display="block"}catch(e){};
	try{document.getElementById(fcid).style.display="block"}catch(e){};
	try{document.getElementById(fnid).className="active"}catch(e){};
  }else{
	try{document.getElementById(fpid).style.display="none"}catch(e){};
	try{document.getElementById(fcid).style.display="none"}catch(e){};
	try{document.getElementById(fnid).className=""}catch(e){};
  }
 }  
}

function showDiv(obj,num,len)
{
 for(var id = 1;id<=len;id++)
 {
  var ss=obj+id;
  var snav =obj+"nav"+id;
  if(id==num){
	try{document.getElementById(ss).style.display="block"}catch(e){};
	try{document.getElementById(snav).className="active"}catch(e){};
  }else{
	try{document.getElementById(ss).style.display="none"}catch(e){};
	try{document.getElementById(snav).className=""}catch(e){};
  }
 }  
}

function cc(obj){return document.getElementById(obj);}

function Tab(Xname,Cname,Lenght,j){for(i=1;i<Lenght;i++){eval("cc('"+Xname+i+"').className='n2'");}eval("cc('"+Xname+j+"').className='n1'");for(i=1;i<Lenght;i++){eval("cc('"+Cname+i+"').style.display='none'");eval("cc('"+Cname+j+"').style.display='block'");}}

var no=1;
var chok=1;

function st()
{
	chok=0;
	
	//alert(no);
}

function st1()
{
	chok=1;
	
	//alert(no);
}

function ch()
{
	if (no==4){no=1;}
	
	if (chok==1)
	{
	Tab('a','ax',4,no);
	no++;
	}
	
	
	//alert(no);
}
	//ch();
	setInterval(function(){ch();},5000);//5ÃëÇл»Ò»´Î