function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function clearText(textField){
     var defaultText;
     switch (textField.name) {
          case "q": {
                defaultText = "Search";
               break;
          }
          case "email": {
               defaultText = "email";
               break;
          }
          case "opn": {
               defaultText = "OPN#";
               break;
          }
     }     
     if (textField.value == defaultText){
          textField.value="";
     }else if (textField.value == ""){
          textField.value=defaultText;
     }
}
function clearText2(textField){
     var defaultText;
     switch (textField.name) {
          case "q": {
                defaultText = "Search site";
               break;
          }
     }     
     if (textField.value == defaultText){
          textField.value="";
     }else if (textField.value == ""){
          textField.value=defaultText;
     }
}
function show_hide_table_row(the_id,the_style) {
  the_row = document.getElementById(the_id);
  if (the_row) {
    if (the_row.className == 'tableRow_hidden') {
      the_row.className = the_style;
    } else {
      the_row.className = 'tableRow_hidden';
    }
  }
}
function showHidePbFree() {
  show_hide_all();
  swapLeadFreeText();
}
function showHideTableRow2(row) { // sorry.
  // the argument is the dom element
  switch (row.className) {
    case 'resultsTable_dark_unhidden':   row.className ='resultsTable_dark_hidden'; break;
    case 'resultsTable_dark_hidden':   row.className ='resultsTable_dark_unhidden'; break;
    case 'resultsTable_light_unhidden': row.className ='resultsTable_light_hidden'; break;
    case 'resultsTable_light_hidden': row.className ='resultsTable_light_unhidden'; break;
  }
}
function show_hide_all() {
  the_table = document.getElementById('resultsTable');
  the_rows = the_table.tBodies[0].rows;
  for($i=0;$i<the_rows.length;$i++) {
    showHideTableRow2(the_rows[$i]);
  }
}
function swapLeadFreeText() {
  var showText, hideText;
  elem = document.getElementById('showHideLeadFree');
  showText = 'Show lead-free version';
  hideText = 'Hide lead-free version';
  var textNode = elem.firstChild;
  if (textNode.data == showText) {
    textNode.data = hideText;
  } else if (textNode.data == hideText) {
    textNode.data = showText;
  }
}
function showHideProducts(tbodyId) {
  // show/hide the tbody
  tBody = document.getElementById(tbodyId);
  if (tBody) {
    switch (tBody.className) {
      case 'hidden': tBody.className ='unhidden'; break;
      case 'unhidden': tBody.className ='hidden';
    }
  }
  // toggle +/- in the link
  link = document.getElementById('expand'+tbodyId);
  if (link) {
    if (link.innerHTML.match(/-/)) {
      link.innerHTML = '&nbsp;+&nbsp;';
    } else {
      link.innerHTML = '&nbsp;-&nbsp;';
    }
  }
}
function getSelectedValue(list) {
  for(var i=0;i<list.length;list++) {
    if (list[i].selected)
      return list[i].value;
  }
}