var browserType;

function hide1() {
     document.poppedLayer = eval('document.getElementById("2008")');
     document.poppedLayer.style.display = "none";
}

function hide2() {
     document.poppedLayer = eval('document.getElementById("2009")');
     document.poppedLayer.style.display = "none";
}

function hide3() {
     document.poppedLayer = eval('document.getElementById("2010")');
     document.poppedLayer.style.display = "none";
}

function hide4() {
     document.poppedLayer = eval('document.getElementById("2011")');
     document.poppedLayer.style.display = "none";
}

function hide5() {
     document.poppedLayer = eval('document.getElementById("2012")');
     document.poppedLayer.style.display = "none";
}


function show1() {
     document.poppedLayer = eval('document.getElementById("2008")');
					document.poppedLayer.style.display = "inline";
					hide2();
					hide3();
					hide4();
					hide5();
}

function show2() {
    document.poppedLayer = eval('document.getElementById("2009")');
				document.poppedLayer.style.display = "inline";
				hide1();
				hide3();
				hide4();
				hide5();
}

function show3() {
    document.poppedLayer = eval('document.getElementById("2010")');
				document.poppedLayer.style.display = "inline";
				hide1();
				hide2();
				hide4();
				hide5();
}

function show4() {
    document.poppedLayer = eval('document.getElementById("2011")');
				document.poppedLayer.style.display = "inline";
				hide1();
				hide2();
				hide3();
				hide5();
}

function show5() {
    document.poppedLayer = eval('document.getElementById("2012")');
				document.poppedLayer.style.display = "inline";
				hide1();
				hide2();
				hide3();
				hide4();
}