function show(id,sum)
	{
		var arrid;
		arrid=id.split("-");
		var i;
		for(i=1;i<=sum;i++)
		{
		
			document.getElementById(arrid[0]+"-"+i).style.visibility="hidden";
			document.getElementById(arrid[0]+"-"+i).style.display='none';
		}

		if(document.getElementById(id).style.visibility!="visible")
		{
			document.getElementById(id).style.visibility="visible";
			document.getElementById(id).style.display='block';
			
		}

		return true;
	}


function changImg(id,sum)
{

	var arrid;
	arrid=id.split("-");
	var i;
	for(i=1;i<=sum;i++)
		document.getElementById(arrid[0]+"-"+i).style.background='url("gifs/orgdarkbg.gif")';
	document.getElementById(id).style.background='url("gifs/orglightbg.gif")';
	return true;
}