if (top.location != self.document.location) {
    top.location=self.document.location;
}
function onmouse(img, sens)
{
	var img_ext = img.src.substr(img.src.lastIndexOf('.'));
	var img_rac = img.src.substr(0, img.src.lastIndexOf('.'));
	
	if(sens) img.src = img_rac+'-over'+img_ext;
	else img.src = img_rac.substr(0, img.src.lastIndexOf('-'))+img_ext;
}
/*
creation objet pour ajax
*/
var http; // objet XMLHttpRequest
function createRequestObject()
{
    var http;
    if(window.XMLHttpRequest)
    { // Mozilla, Safari, ...
        http = new XMLHttpRequest();
    }
    else if(window.ActiveXObject)
    { // Internet Explorer
        http = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return http;
}