function addElement(){
var ni = document.getElementById('mySpan');
var numi = document.getElementById('theValue');
var num = (document.getElementById('theValue').value -1)+ 2;
numi.value = num;
var newspan = document.createElement('span');
var spanIdName = 'my'+num+'Span';
var range = num;
newspan.setAttribute('id',spanIdName);
newspan.innerHTML = ' '+range+' '+
''+
' '+
' '+
''+
' '+
' '+
'Remove ';
ni.appendChild(newspan);
}
function removeElement(spanNum) {
var d = document.getElementById('mySpan');
var oldspan = document.getElementById(spanNum);
d.removeChild(oldspan);
}
function removeSpan(spanNum) {
var d = document.getElementById('mySpan2');
var oldspan = document.getElementById(spanNum);
d.removeChild(oldspan);
}