function columnnew_update(id){
		var j = new ajax();
		j.jaxinit();
		j.addvar("id",id);
		j.addvar("mode","columnnew_update");
		j.processOnly=true;
		j.processajax("ajax_operation.php");		
} 

function columnhit_update(id){
		var j = new ajax();
		j.jaxinit();
		j.addvar("id",id);
		j.addvar("mode","columnhit_update");
		j.processOnly=true;
		j.processajax("ajax_operation.php");		
}