function menu_index(idx,name,sum){
	for(i = 1;i <= sum;i++){
		if(idx == i){
			document.getElementById(''+name+i+'_txt').style.display='block';
			document.getElementById(''+name+i+'').className ='hove';
			
		}else{
			document.getElementById(""+name+i+"_txt").style.display='none';
			document.getElementById(''+name+i+'').className ='';
		}
	}	
}

function show_pic(id){
	id +=1;
	menu_index(id,'tabx',6);
	if(id<=6)
	{
		window.setTimeout("show_pic("+ id + ")",5000);
	}
	else
	{
		window.setTimeout("show_pic(0)",0);
	}
}
show_pic(0);