function dwl_file(vars,file,divid,loader)
{
var url=file;
url=url+"?"+vars;
url=url+"&sid="+Math.random();
obj = document.getElementById(divid);
if (loader=='1')
{
obj.innerHTML = "<div align=center ><br<br><br><img src='/loadinganimation.gif'><br><br>Chargement en cours</div>";
}
if(window.XMLHttpRequest) // FIREFOX
xhr_object = new XMLHttpRequest();
else if(window.ActiveXObject) // IE
xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
else
return(false);

xhr_object.onreadystatechange = function()
{ 
if(xhr_object.readyState == 4)
{
if(xhr_object.status == 200) 
obj.innerHTML = xhr_object.responseText;
else 
obj.innerHTML +="Error<br>" + xhr_object.status;
}
}; 
xhr_object.open("GET", url, true);
xhr_object.send(null);
}