function switchLang(lang){
		var vars = "lang=" + lang;
		$.ajax({ 
			type: "POST", 
			url: "commonElements/langSwitch/setLang.ajax.php",	
			dataType: "json",
			data: vars,
			beforeSend: function(){	
			},
			success: function(data){ 
				if(data.error < 0)
					location.href = location.href;
			},
			complete: function(){  
				$("#loading").hide();
			}
		});
	}