function n_win(url)
{
 var width=800;
 var height=600;
 var top=0;
 var left=0;
 var toolbar='no';
 var location='no';
 var directories='no';
 var status='no';
 var menubar='no';
 var scrollbars='yes';
 var resizable='no';

 var atts='width='+width+',height='+height+',top='+top+',screenY='+top+',left='+left+',screenX='+left;
 atts+=',toolbar='+toolbar+',location='+location+',directories='+directories+',status='+status;
 atts+=',menubar='+menubar+',scrollbars='+scrollbars+',resizable='+resizable;

 window.open(url,'',atts);
}