function prechargimg()
{var doc=document;if(doc.images)
{if(!doc.precharg)doc.precharg=new Array();var i,j=doc.precharg.length,x=prechargimg.arguments;for(i=0;i<x.length;i++)
if(x[i].indexOf("#")!=0)
{doc.precharg[j]=new Image;doc.precharg[j++].src=x[i];}}}
function afficherGrandeImage(src,alt)
{document.getElementById("grandePhoto").innerHTML="<img src='"+src+"' class='photo' alt='"+alt+"' border='0' style='cursor:pointer;' onClick=\"zoom_out('zoomPhoto');\">";}
var zindex=0;var fenetre_deplacee=0;var fenetre_deplacee_difx=0;var fenetre_deplacee_dify=0;function premier_plan(fenetre){zindex++;fenetre.style.zIndex=zindex;}
function commencer_deplacement(ev,fenetre){fenetre_deplacee=fenetre;old_mouseCoords=mouseCoords(ev);old_windowCoords=getPosition(fenetre);fenetre_deplacee_difx=old_mouseCoords.x-old_windowCoords.x;fenetre_deplacee_dify=old_mouseCoords.y-old_windowCoords.y;}
function arreter_deplacement(){fenetre_deplacee=0;}
function addEvent(obj,event,fct){if(obj.attachEvent)
obj.attachEvent('on'+event,fct);else{obj.addEventListener(event,fct,true);}}
function deplacer_fenetre(ev){if(fenetre_deplacee!=0){var souris=mouseCoords(ev);fenetre_deplacee.style.left=(souris.x-fenetre_deplacee_difx)+'px';fenetre_deplacee.style.top=(souris.y-fenetre_deplacee_dify)+'px';}}
function mouseCoords(ev){if(ev.pageX||ev.pageY){return{x:ev.pageX,y:ev.pageY};}
return{x:ev.clientX+document.body.scrollLeft-document.body.clientLeft,y:ev.clientY+document.body.scrollTop-document.body.clientTop};}
function getPosition(e){var left=0;var top=0;while(e.offsetParent){left+=e.offsetLeft;top+=e.offsetTop;e=e.offsetParent;}
left+=e.offsetLeft;top+=e.offsetTop;return{x:left,y:top};}