function GetHRObject() {
	var HttpRequest = null;

	if(window.XMLHttpRequest) {
		HttpRequest = new XMLHttpRequest();
	} else if(window.ActiveXObject){
		try	{
			HttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e)	{
			HttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
		}
	} else { // XMLHttpRequest non supporté par le navigateur 
	   HttpRequest = false; 
	}
	return HttpRequest;
}


	
	
function SwapTab(categorie,divid) {
	var HttpRequest = GetHRObject();

	if (!HttpRequest) {
		// Mode normal
		return;
	}

	HttpRequest.onreadystatechange = function() 	{
		if (HttpRequest.readyState == 4 && HttpRequest.status == 200) 		{
			TopProd = document.getElementById('BlockShowTop10');
			TopProd.innerHTML = HttpRequest.responseText;
			swapLayers(divid,divid);
		}
	}
	HttpRequest.open('GET', '/ajax/request_top10home.php?CAT='+categorie+'&NB='+divid);
	HttpRequest.send(null);

}