function year(x)
{
var s = 6;
var styl = new Array(4);
var name = new Array(4);
var i;

name[0] = "y1999";
name[1] = "y2002";
name[2] = "y2003";
name[3] = "y2006";
name[4] = "y2007";
name[5] = "y2008";


styl[0] = document.getElementById(name[0]).style.display;
styl[1] = document.getElementById(name[1]).style.display;
styl[2] = document.getElementById(name[2]).style.display;
styl[3] = document.getElementById(name[3]).style.display;
styl[4] = document.getElementById(name[4]).style.display;
styl[5] = document.getElementById(name[5]).style.display;

//alert(styl[1]);
//get which one was block!

for (i=0; i<size; i++)
	{
	if (styl[i]=="block")
		{
		styl[i]=="none";
		document.getElementById(name[i]).style.display="none";
		}
	}

document.getElementById(x).style.display="block";
}