function addRow(tableID, title){
                var table = document.getElementById(tableID);
                var rowCount = table.rows.length;
		var row = table.insertRow(rowCount);
            	var cell1 = row.insertCell(0);
		cell1.innerHTML = title + "<sub>" + (rowCount + 1) + "</sub>:";
                var cell2 = row.insertCell(1);
                var element2 = document.createElement("input");
                element2.type = "text";
                element2.name = "input";
                element2.setAttribute('class', 'input');
                element2.setAttribute('onkeyup', 'calculate()');
                element2.onkeyup = function() {calculate();};
                cell2.appendChild(element2);
                getSize('left');
            }

            function deleteRow(tableID) {
                try {
                    var table = document.getElementById(tableID);
                    var rowCount = table.rows.length;
                    for(var i=0; i<rowCount; i++) {
                        var row = table.rows[i];
                        var chkbox = row.cells[0].childNodes[0];
                            if(null != chkbox && true == chkbox.checked) {
                            table.deleteRow(i);
                            rowCount--;
                            i--;
                            }
                    }
                }catch(e) {
                    alert(e);
                }
            }

function toRad(deg) {
            return deg * Math.PI/180;
        }
function toDeg(rad){
            return rad * 180/Math.PI;
        }