function CloseDivs()
{
    var DivId;
	for(var x=1; x<MaxDivs; x++)
	{
		DivId="Div_"+x;
		document.getElementById(DivId).className="zeroheight";	
	}
}
function OpenDiv(IdNumber)
{
    var DivId;
	CloseDivs();
	document.getElementById("DivMenu").className="zeroheight";
	document.getElementById("DivEmpty").className="divinline";
	DivId="Div_"+IdNumber;
	document.getElementById(DivId).className="";
}
function OpenMenu()
{
	document.getElementById("DivMenu").className="";
	document.getElementById("DivEmpty").className="zeroheight";
	
}