function addRow(id){
    var tbody = document.getElementById
	(id).getElementsByTagName("TBODY")[0];
    var row = document.createElement("TR");
    var $name = new Array("tx_cvkontaktformular_pi1[productcode][]","tx_cvkontaktformular_pi1[color][]","tx_cvkontaktformular_pi1[size][]","tx_cvkontaktformular_pi1[quantity][]");    
    var $i = 0
    while($i<4) {
    	var td$i = document.createElement("TD");
    	var input$i = document.createElement("input");
    	input$i.setAttribute("type", "text");
    	input$i.setAttribute("size", "11");
    	input$i.setAttribute("name", $name[$i]);
    	td$i.appendChild(input$i);
    	row.appendChild(td$i);
    	$i++;
    }
   	tbody.appendChild(row);
  }