function hide_all()
{
	document.getElementById("top_link1").style.visibility = "hidden";
	document.getElementById("top_link2").style.visibility = "hidden";
	document.getElementById("top_link3").style.visibility = "hidden";
}

function show_element(asd)
{
	hide_all();
	document.getElementById(asd).style.visibility = "visible";
}

function doPopup(url)
{
        myWindow = window.open(url,'LKEE_POPUP','width=500,height=350,left=0,top=0, status=1, scrollbars=1');
        myWindow.focus();
}

function Popup_val(url, w, h, name)
{
        myWindow = window.open(url, name, 'width='+w+', height='+h+', left=0,top=0, status=1, scrollbars=1');
        myWindow.focus();
}