function nimic(){}
function popup(f,x,y)
{
    l=(screen.availWidth/2)-(x/2)
	t=(screen.availHeight/2)-(y/2)
	features="width="+x+",height="+y+",status=no,toolbar=no,menubar=no,resizable=no,left="+l+",top="+t
	neww=window.open(f,"",features)
	neww.focus()
}
function popup2(f,x,y)
{
    l=(screen.availWidth/2)-(x/2)
	t=(screen.availHeight/2)-(y/2)
	features="width="+x+",height="+y+",status=no,toolbar=yes,menubar=no,resizable=no,scrollbars=yes,left="+l+",top="+t
	neww=window.open(f,"",features)
	neww.focus()
}