function donateFreq(obj) {
var donate = obj.options[obj.selectedIndex].value;
var m=document.getElementById("m");
var ot=document.getElementById("ot");
if (donate == 'm') {
     m.style.display="block";
     ot.style.display="none";
    }
if (donate == 'ot') {
     m.style.display="none";
     ot.style.display="block";
    }
else if(donate =='#'){
     m.style.display="none";
     ot.style.display="none";
    }
}