var status =new Array();
function text(arg){
	if(status[arg] == 1 || status[arg] == null){
		status[arg] = 0;
		open(arg);
	}else{
		status[arg] = 1;
		close(arg);
	}
}

function open(arg){
	document.getElementById('entry' + arg).style.display='block';
}

function close(arg){
	document.getElementById('entry' + arg).style.display='none';
}

function roll(img_name, img_src)
   {
   document[img_name].src = img_src;
   }