var active_element;
var bIsMSIE;
function initiateSelfClosing() {  
  if (navigator.appName == "Microsoft Internet Explorer") {    
    active_element = document.activeElement;    
    document.onfocusout = closeWnd;    
    bIsMSIE = true;
    }  
    else { window.onblur = closeWnd; }
}

function closeWnd() {  
  if (window.opener != null) {    
    if (bIsMSIE && (active_element != document.activeElement)) {      
      active_element = document.activeElement;    
      }    
    else { window.close(); }  
    }
}

function open_new_window(url,winname)
{ 
new_window = window.open(url,winname,'toolbar=0,menubar=0,resizable=0,dependent=1,status=0,width=550,height=620, left=10,top=10')
}