//popup        
function ouvreFenetre(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);}

function openvolet(cadre)
{
	ref=document.getElementById(cadre+"lien");
	if (ref.style.visibility=="visible") {
		ref.style.visibility="hidden";
		}
		else {
		ref.style.visibility="visible";
		}
}

function swapvolet(cadre)
{
	ref=document.getElementById(cadre+"source");
	ref2=document.getElementById(cadre+"lien");
	ref.style.visibility="hidden";
	ref.style.display="none";
	ref2.style.visibility="visible";
	ref2.style.display="block";
	}