function changePaging()
{
	var p = document.getElementById('paging').options[document.getElementById('paging').selectedIndex].value;
	var params = window.location.search;
	var url = window.location.pathname;

	if(params.lastIndexOf('?') > -1 && params.length > 2)
	{
		params = params.replace(/\?/, ''); // On enlève le ?
		var prms = params.split(/\&/); // On récupère chaque paramètre

		for(i=0;i<prms.length;i++)
		{
			var temp = prms[i].split(/=/);
			if(temp[0] == 'p') prms[i] = 'p='+p;
		}

		url += '?'+prms.join('&');
	}
	else url += '?&p='+p;
	
	document.location = url;
}