var westPanel;
function isBelgium() {
    if(this.value=='Belgium')
        $("user_postal_code_alpha_numeric").style.visibility="hidden"
    else
        $("user_postal_code_alpha_numeric").style.visibility="visible"
}
function initUser() {
    $("user_country").addEventListener('change',isBelgium,false);
    if($("user_country").value=='Belgium')
       $("user_postal_code_alpha_numeric").style.visibility="hidden"
    else
       $("user_postal_code_alpha_numeric").style.visibility="visible"
}
/*
	tablestripe()
	from alistapart, adapted by Jean-Pierre Pawlak
	enables alterning styles for <tr> tags in body of each table whith the classname "stripe"
*/
function tablestripe() {
  if (document.getElementById && document.createTextNode) {
    var tables=document.getElementsByTagName("table");
    for (var i=0;i<tables.length;i++) {
      if(tables[i].className.indexOf("stripe") >= 0 ) {
        var tbodies = tables[i].getElementsByTagName("tbody");
        for (var j = 0; j < tbodies.length; j++) {
          var trs = tbodies[j].getElementsByTagName("tr");
          var even = false;
          for (var k = 0; k < trs.length; k++) {
            if (trs[k].className) {
              trs[k].className += (even ? " even" : " odd");
            } else {
              trs[k].className = (even ? "even" : "odd");
            }
            even =  ! even;
          }
        }
      }
    }
  }
}