example

function getProgress(){
    $.ajax({
        url: 'bar.php',
        success: function(data) {
        	var localo = JSON.parse(data);
            if(localo.speed_refresh!='done'){
                $('#current_bar').html('<pre>'+localo.current_bar+'</pre>');
                $('#current_hotel').html(localo.current_hotel);
                getProgress();
            }
        }
    });
}

function re(vars){
	if(!vars){
		$("html, body").animate({ scrollTop: 0 }, "slow");
			}
	$f = vars;
	$.ajax({
	    url: "process.php",
	    data: $f,
	    type: "GET",
	    success: function( json ) {
	     	var local = JSON.parse(json);
	        $( "#totals_bar" 	).html( '<pre>'+local.totals_bar +'</pre>');
	        $( "#totals_hotel" 	).html( local.totals_hotel );//cik kur atrasti
	     	if(local.speed_refresh!='done'){
	     		re(local.stage);
	     		if(!vars){
					getProgress();
				}
	     	}else{
                alert('viss padarīts! \n\n ');
            }
	    },
	    error: function( xhr, status, errorThrown ) {
	        alert( "Sorry, there was a problem!" );
	        console.log( "Error: " + errorThrown );
	        console.log( "Status: " + status );
	        console.dir( xhr );
	    },
	    complete: function( json ) {

        }
});

}


<input type="submit" onclick="re('');" name="sakums" value="AIZIET!">