var lastShow = "undefined";
function showHide(curLayr)
{
if(lastShow != "undefined")
lastShow.style.visibility="hidden";
var fw = screen.availWidth;
var fh = screen.availHeight;
//var pLeft, pTop;
//pLeft = Math.round(0.66*fw);
//pTop = Math.round(0.47*fh);
//curLayr.style.left=pLeft+"px";
//curLayr.style.top=pTop+"px";
//curLayr.style.width="175px";
curLayr.style.visibility="visible";
lastShow = curLayr;
}

function hide(curLayr)
{
	//alert("test");
curLayr.style.visibility="hidden";
//return false;
}