$(window).on('scroll', function(e){ 
 var winTop = $(window).scrollTop(); 
if(stint == 0 && winTop > 520 && adv_stp1 < 1250) 
{ 
int1 = setInterval(calc1, 50); 
stint = 1; 
} 
}); 
var adv_stp1 = 0; 
var int1; 
var stint = 0; 
function calc1() 
{ 
if(adv_stp1 < 1250) 
{ 
adv_stp1 += 111; 
} 
else { 
clearInterval(int1); adv_stp1 = 7379 } 
var somwt = ''; 
var somwt_out = ''; 
var somwt = ''+adv_stp1; 
for(var j=0; j<somwt.length; j++) 
somwt_out += '<i>'+somwt[j]+'</i>' 
$('#counters span').html(somwt_out); 
}