function bgin(name1){
name1.style.backgroundColor='#dddddd';
}
function bgot(name2){
name2.style.backgroundColor='#f4f4f4';
}
function hide(kogo){
	kogo = document.getElementById(kogo);
	kogo.style.visibility='hidden';	kogo.style.display = 'none';
}
function show(kogo){
	kogo = document.getElementById(kogo);
	kogo.style.visibility = 'visible'; kogo.style.display = 'block';
}
function xy(nam, slo){
slo = document.getElementById(slo);
var coor = getDim(nam);
if (navigator.appName != "Netscape") {
		slo.style.pixelLeft = coor.x - 2;
		slo.style.pixelTop = coor.y + nam.offsetHeight;
	}
	else {
		slo.style.left = coor.x + 'px';
		slo.style.top = (coor.y + nam.offsetHeight) + 'px';
	}
	slo.style.visibility = 'visible';
	slo.style.display = 'block';
	visible = slo;

}

function getDim(el){
for (var lx=0,ly=0;el!=null;
lx+=el.offsetLeft,ly+=el.offsetTop,el=el.offsetParent);
return {x:lx,y:ly}
}