function hideMe(){ 
fm=document.all; 
fn=!document.all && document.getElementById; 
  if (fm||fn) div_window.style.visibility="hidden"; 
} 

function showMe(url){ 
fm=document.all; 
fn=!document.all && document.getElementById; 

  if (fm||fn) div_window.style.visibility="visible"; 

} 


function bluring(){
	if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus();
	}
document.onfocusin=bluring;