function get_thumb(subkat,id){
	    var url = 'get_thumb.php';
		  new Ajax.Updater('img_show', url, {
		  method: 'get',evalScripts:true,
		  parameters: {subkat:subkat,id:id},
	
	
	
		 onSuccess: function(data) {
			},
			onFailure: function(){ alert('Something went wrong...')  
			}
		});
}