function nw(lnk)
 {
 	window.open(lnk.href,'_blank','resizable=1,scrollbars=1,status=1,menubar=1,toolbar=1,width=830,height=400');
 	return false;
 }

function checkExpand(ch) {
    var obj=document.all && document.all(ch) || document.getElementById && document.getElementById(ch);
    if(obj && obj.style) obj.style.display=
    "none" == obj.style.display ?"" : "none"
}