function show(name, cella)
{
	var s = window.document.getElementById("menu").style;
	var n = window.document.getElementById(name).style;
	var p = window.document.getElementById("main_frame");
	var c = window.document.getElementById("center_frame");
	var i = window.document.getElementById("menu");
	var a = window.document.getElementById(cella);
	var h = a.offsetHeight;
	//a.cancelBubble = true;	
	n.top = parseInt(a.offsetTop + a.offsetParent.offsetTop + i.offsetParent.offsetLeft + p.offsetParent.offsetTop + h) + "px";
	n.left = parseInt(a.offsetLeft + a.offsetParent.offsetLeft + i.offsetParent.offsetLeft + p.offsetParent.offsetLeft) + "px";
	n.opacity = .9;
	n.filter = "alpha(opacity=90)";
	n.visibility = "visible";
	//alert(a.offsetParent.offsetTop);
}

function hide(ktery)
{
	//for (b = 1; b <= 1000000; b++);
	for (i=1;i<=1;i++)
	{
		var t = window.document.getElementById("test");
		var d = window.document.getElementById("nabidka_"+i).style;
		d.visibility = "hidden"
	}	
}