var select_count = 0;
var input_count = 0;

function remove_field() {
	this.parentNode.parentNode.removeChild(this.parentNode);
}

// Add more input fields dynamically.
function add_list_element() {
	var anchorlist = document.getElementById("author1");

	newAnchordiv = anchorlist.cloneNode(true);
		newAnchordiv.id = "author1"+input_count;

	var anchor = newAnchordiv.getElementsByTagName("a")[0];
		anchor.onclick = remove_field;
		anchor.innerHTML = "<img src='../inc/img/remove_button.jpg' alt='' />";

	newAnchordiv.getElementsByTagName("p")[0].getElementsByTagName("input")[0].value = "";
	newAnchordiv.getElementsByTagName("p")[0].getElementsByTagName("input")[1].value = "";

	anchorlist.parentNode.appendChild(newAnchordiv);
	
	input_count++;
}		

function add_selectBox(element_id) {
	var anchordiv = document.getElementById(element_id);

	newAnchordiv = anchordiv.cloneNode(true);
		newAnchordiv.id = element_id+select_count;

	var anchor = newAnchordiv.getElementsByTagName("a")[0];
		anchor.onclick = remove_field;
		anchor.innerHTML = "<img src='../inc/img/remove_button.jpg' alt='' />";

	anchordiv.parentNode.appendChild(newAnchordiv);
	
	select_count++;
}