function popupcentree(page,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}
//-->
function pop(page,largeur,hauteur,options)
{
var top=(screen.height-hauteur)/2;
var left=(screen.width-largeur)/2;
window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+",toolbar=no, location=no, directories=no, status=no, scrollbars=no, resizable=no, copyhistory=no");
}
// zoom photo
var ie=document.all
var ns6=document.getElementById&&!document.all

function ietruebody(){
return (document.compatMode!="BackCompat")? document.documentElement : document.body
}

function zoom(which, e, position, imgwidth, imgheight){
if (ie||ns6){
crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage

crossobj.style.top=150+"px"
crossobj.style.left=100+"px"

crossobj.innerHTML='<div align="right" id="dragbar"><span id="closetext" onClick="closepreview()">&raquo;Fermer </span> </div><img src="'+which+'">'
crossobj.style.visibility="visible"
return false
}
else //if NOT IE 4+ or NS 6+, affiche image ds le navigateur en pleine page
return true
}

function closepreview(){
crossobj.style.visibility="hidden"
}

function drag_drop(e){
if (ie&&dragapproved){
crossobj.style.left=tempx+event.clientX-offsetx+"px"
crossobj.style.top=tempy+event.clientY-offsety+"px"
}
else if (ns6&&dragapproved){
crossobj.style.left=tempx+e.clientX-offsetx+"px"
crossobj.style.top=tempy+e.clientY-offsety+"px"
}
return false
}

function initializedrag(e){
if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar"){
offsetx=ie? event.clientX : e.clientX
offsety=ie? event.clientY : e.clientY

tempx=parseInt(crossobj.style.left)
tempy=parseInt(crossobj.style.top)

dragapproved=true
document.onmousemove=drag_drop
}
}

document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")