function ChangePage(pageName, pageNumber, nbLignesPage, nbItemsTot) 
{	

	if(nbLignesPage > nbItemsTot)
	pageNumber = 0;
	
	if(document.getElementById('paging_form') != null) 
	{
		document.getElementById('paging_form').action = pageName + '&pf=' + pageNumber + '&nlp=' + nbLignesPage;
		document.getElementById('paging_form').submit();
	}
	else 
	{	
		if(pageName.indexOf('?') == -1) 
		{
			pageName += '?';
		}
		else 
		{
			pageName += '&';
		}
		
		document.location.href = pageName + 'pf=' + pageNumber + '&nlp=' + nbLignesPage;
	}
	
	return false;
}