var counter = 0;
var pos = indexOf(a,b);
if (pos != -1){
counter ++;
a = a.substring(pos + b.length + 1,a.length);
pos = indexOf(a,b);
}
var pos = indexOf(a,b);
if (pos != -1){
counter ++;
a = a.substring(pos + b.length + 1,a.length);
pos = indexOf(a,b);
}
{
var n = a.indexOf(b);
var count = 0;
while (n>=0)
{
count++;
a = a.substring(n+b.length);
n = a.indexOf(b);
}
return count;
}function howmany (a, b)
{
var n=0;
if (b.length > 0)
{
var re = new RegExp(b,"g");
var x = a.replace(re,"");
n = (a.length-x.length)/b.length;
}
return n;
}