var arrInput = new Array(0);
  var arrInputValue = new Array(0);

function addInput() {
  arrInput.push(arrInput.length);
  arrInputValue.push("");
  display();
}

function display() {
  document.getElementById('parah').innerHTML="";
  for (intI=0;intI<arrInput.length;intI++) {
    document.getElementById('parah').innerHTML+=createInput(arrInput[intI], arrInputValue[intI]);
  }
}

function saveValue(intId,strValue) {
  arrInputValue[intId]=strValue;
}  

function createInput(id,value) {
  return "<input size='40' type='text' name='polla[]' id='poll "+ id +"' onChange='javascript:saveValue("+ id +",this.value)' value='"+ value +"'><br>";
}

function deleteInput() {
  if (arrInput.length > 0) { 
     arrInput.pop(); 
     arrInputValue.pop();
  }
  display(); 
}


function insertat(obj, text) {
		if(document.selection) {
			obj.focus();
			var orig = obj.value.replace(/\r\n/g, "\n");
			var range = document.selection.createRange();

			if(range.parentElement() != obj) {
				return false;
			}

			range.text = text;
			
			var actual = tmp = obj.value.replace(/\r\n/g, "\n");

			for(var diff = 0; diff < orig.length; diff++) {
				if(orig.charAt(diff) != actual.charAt(diff)) break;
			}

			for(var index = 0, start = 0; 
				tmp.match(text) 
					&& (tmp = tmp.replace(text, "")) 
					&& index <= diff; 
				index = start + text.length
			) {
				start = actual.indexOf(text, index);
			}
		} else if(obj.selectionStart) {
			var start = obj.selectionStart;
			var end   = obj.selectionEnd;

			obj.value = obj.value.substr(0, start) 
				+ text 
				+ obj.value.substr(end, obj.value.length);
		}
		
		if(start != null) {
			setCaretTo(obj, start + text.length);
		} else {
			obj.value += text;
		}
	}
	
	function setCaretTo(obj, pos) {
		if(obj.createTextRange) {
			var range = obj.createTextRange();
			range.move('character', pos);
			range.select();
		} else if(obj.selectionStart) {
			obj.focus();
			obj.setSelectionRange(pos, pos);
		}
	}