function screener(URL){
screenerWindow=open("","screenerWindow","toolbar=no,dependent=yes,directories=no,menubar=no,scrollbars=no,resizable=no,width=300,height=300");
if (screenerWindow.opener == null){
screenerWindow.opener = self}
if (URL != null){
screenerWindow.location.href=URL};
screenerWindow.focus();
}

function showchm(URL){
//alert(URL);
var screenerWindow=window.open('','screenerWindow','toolbar=no,dependent=yes,directories=no,menubar=no,scrollbars=no,resizable=no,width=600,height=400');
if (screenerWindow.opener == null){
screenerWindow.opener = self}
if (URL != null){
screenerWindow.location.href=URL};
screenerWindow.focus();
}

function showresearce(URL){
screenerWindow=open('','screenerWindow','toolbar=no,dependent=yes,directories=no,menubar=no,scrollbars=yes,resizable=no,width=600,height=400');
if (screenerWindow.opener == null){
screenerWindow.opener = self}
if (URL != null){
screenerWindow.location.href=URL};
screenerWindow.focus();
}