var DOM1 = (document.getElementById) ? true : false ;	// NS6
var  NS4 = (document.layers) ? true : false ;
var  IE4 = (document.all) ? true : false ;
var DYNAM = (NS4 || IE4 || DOM1) ? true : false ;	// NS6
var  IE5 = (IE4 && navigator.appVersion.indexOf("5.")!=-1) ? true : false ;
var isMac = (navigator.appVersion.indexOf("Mac") != -1) ? true : false ;

if (DYNAM) {
    with (document) {
        write("<style type='text/css'>");
        if (NS4) {
            write(".logoHidden {position:absolute; width: 150; height:200; left:410; top:510; visibility:hidden}");
        }
        else {
            write(".logoHidden {display:none}"); 
        }
        write("</style>");
    }
}


function hidemonth()
{
	if (DOM1)
	{
		document.getElementById("month0").style.display = "none";
		document.getElementById("month1").style.display = "none";
		document.getElementById("month2").style.display = "none";
		document.getElementById("month3").style.display = "none";
		document.getElementById("month4").style.display = "none";
		document.getElementById("month5").style.display = "none";
		document.getElementById("month6").style.display = "none";
		document.getElementById("month7").style.display = "none";
		document.getElementById("month8").style.display = "none";
		document.getElementById("month9").style.display = "none";
		document.getElementById("month10").style.display = "none";
		document.getElementById("month11").style.display = "none";
		document.getElementById("month12").style.display = "none";
		document.getElementById("month13").style.display = "none";
		document.getElementById("month14").style.display = "none";
		document.getElementById("month15").style.display = "none";
		document.getElementById("month16").style.display = "none";
		document.getElementById("month17").style.display = "none";
		document.getElementById("month18").style.display = "none";
		document.getElementById("month19").style.display = "none";
		document.getElementById("month20").style.display = "none";
		document.getElementById("month21").style.display = "none";
		document.getElementById("month22").style.display = "none";
		document.getElementById("month23").style.display = "none";
		document.getElementById("month24").style.display = "none";		
		return;
	}

	if (IE4)
	{
		document.all("month0").style.display = "none";
		document.all("month1").style.display = "none";
		document.all("month2").style.display = "none";
		document.all("month3").style.display = "none";
		document.all("month4").style.display = "none";
		document.all("month5").style.display = "none";
		document.all("month6").style.display = "none";
		document.all("month7").style.display = "none";
		document.all("month8").style.display = "none";
		document.all("month9").style.display = "none";
		document.all("month10").style.display = "none";
		document.all("month11").style.display = "none";
		document.all("month12").style.display = "none";
		document.all("month13").style.display = "none";
		document.all("month14").style.display = "none";
		document.all("month15").style.display = "none";
		document.all("month16").style.display = "none";
		document.all("month17").style.display = "none";
		document.all("month18").style.display = "none";
		document.all("month19").style.display = "none";
		document.all("month20").style.display = "none";
		document.all("month21").style.display = "none";
		document.all("month22").style.display = "none";
		document.all("month23").style.display = "none";
		document.all("month24").style.display = "none";
			}
	if (NS4)
	{
    document.layers["month0"].visibility = "hidden";
		document.layers["month1"].visibility = "hidden";
		document.layers["month2"].visibility = "hidden";
		document.layers["month3"].visibility = "hidden";
		document.layers["month4"].visibility = "hidden";
		document.layers["month5"].visibility = "hidden";
		document.layers["month6"].visibility = "hidden";
		document.layers["month7"].visibility = "hidden";
		document.layers["month8"].visibility = "hidden";
		document.layers["month9"].visibility = "hidden";
		document.layers["month10"].visibility = "hidden";
		document.layers["month11"].visibility = "hidden";
		document.layers["month12"].visibility = "hidden";
		document.layers["month13"].visibility = "hidden";
		document.layers["month14"].visibility = "hidden";
		document.layers["month15"].visibility = "hidden";
		document.layers["month16"].visibility = "hidden";
		document.layers["month17"].visibility = "hidden";
		document.layers["month18"].visibility = "hidden";
		document.layers["month19"].visibility = "hidden";
		document.layers["month20"].visibility = "hidden";
		document.layers["month21"].visibility = "hidden";
		document.layers["month22"].visibility = "hidden";
		document.layers["month23"].visibility = "hidden";
		document.layers["month24"].visibility = "hidden";
	
	}
}	
function changemonth(n)
{
	hidemonth();
	if (DOM1)
	{
		document.getElementById("month" + n).style.display = "block";
		return;
	}
	if (IE4)
	{
		document.all("month" + n).style.display = "block";
	}
	if (NS4)
	{
		document.layers["month" + n].visibility = "visible";
	}
}