var nextId = 0;
var firsttime = true;

function minus(id) {
	var row = document.getElementById(id);
	var tbody = row.parentNode;
	if (jQuery(tbody).children().length > 1) {
		jQuery(row).remove();
	}
}
function plus() {
	if (firsttime) {
		nextId = jQuery(document.getElementById("addlink_tbody")).children().length + 1;
		firsttime = false;
	}

	var tbody = document.getElementById("addlink_tbody");
	var row = document.createElement("tr");
	row.setAttribute("id", "row_" + nextId);

	var data1 = document.createElement("td");
	var data2 = document.createElement("td");
	var data3 = document.createElement("td");

	var input1 = document.createElement("input");
	input1.setAttribute("name", "alias_" + nextId);
	input1.setAttribute("id", "alias_" + nextId);
	input1.setAttribute("type", "text");
	input1.setAttribute("size", "30");

	var input2 = document.createElement("input");
	input2.setAttribute("name", "adress_" + nextId);
	input2.setAttribute("id", "adress_" + nextId);
	input2.setAttribute("type", "text");
	input2.setAttribute("size", "30");
	input2.setAttribute("value", "http://");

	var image = document.createElement("img");
	image.setAttribute("id", "img_" + nextId);
	image
			.setAttribute(
					"src",
					"/download/resources/de.communardo.confluence.plugins.subspace:subspace-resource/images/12.png");

	image.setAttribute("onclick", "minus('row_" + nextId + "')");
	image.setAttribute("onmouseover", "this.style.cursor='pointer'");

	jQuery(data1).append(input1);
	jQuery(data2).append(input2);
	jQuery(data3).append(image);

	jQuery(row).append(data1);
	jQuery(row).append(data2);
	jQuery(row).append(data3);
	jQuery(tbody).append(row);

	document.getElementById("img_" + nextId).onclick = new Function(
			"minus('row_" + nextId + "')");
	document.getElementById("img_" + nextId).onmouseover = new Function(
			"this.style.cursor='pointer'");

	nextId++;
}
function countRows() {
	var tbody = document.getElementById("addlink_tbody");
	var numberofRows = jQuery(tbody).children().length;
	document.getElementById("numberOfRows").setAttribute("value", numberofRows);

	for ( var i = 0; i < numberofRows; i++) {
		oldIndex = jQuery(tbody).children()[i].id.substr(4, jQuery(tbody)
				.children()[i].id.length);
		document.getElementById("row_" + oldIndex).setAttribute("id",
				"line_" + i);
		
		var object;
		object = document.getElementById("alias_" + oldIndex);
		object.name = "newalias_" + i;

		object = document.getElementById("adress_" + oldIndex);
		object.name = "newadress_" + i;
	}
}