var varwin = null;


function WindowOpen(sUrl, sName, wopt)
{
	if ( varwin && varwin.close ) varwin.close();
	varwin = window.open(sUrl, sName, wopt);
	if ( varwin && varwin.focus ) varwin.focus();
}


function openclean(sUrl, sName, width, height)
{
	var wopt = 'directories=0,hotkeys=0,location=0,menubar=0,resizable=1,status=0,toolbar=0,scrollbars=1,';
	x = 10;
	y = 10;
	if ( document.layers ) {
		wopt += ',innerWidth='+width+',innerHeight='+height+',screenX='+x+',screenY='+y ;
	} else if ( document.all ) wopt += ',width =' + width  + ',height=' + height + ',left  =' + x + ',top   =' + y;
	else wopt += ',width=' + width + ',height=' + height;
	WindowOpen(sUrl,sName, wopt);
}