function all_news(){
    // si déjà ouvert: on ferme
    if (typeof(fenNews)=="object" && fenNews.closed==false)fenNews.close();
    // On ouvre la fenêtre
    fenNews = window.open ("affichenews.php","fenNews","width=440,height=500,screenX=200,resizable=yes,screenY=0,top=200,left=200,alwaysRaised=yes,scrollbars=yes, scrolling=yes,toolbar=no, menubar=no,location=no,directories=no,status=no");
}
function hautpage(){
    window.scrollTo(0,0);
}
//
var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);}
//
//<a href="http://www.google.com" onclick="NewWindow(this.href,'mywin','560','156','no','center');return false" onfocus="this.blur()">YourLinkText</a>