//<![CDATA[        
function validateSearchForm(frm) {
/* Checks user has entered search data */
  if (frm.data.value == "") {
    alert("You must enter data to search for")
    frm.data.focus()
    return false
  }
/* Checks user has entered valid search data by RE */
  re_search = /^[a-z0-9]+[a-z0-9 \.\+,-\/']+$/i
  if (! re_search.test(frm.data.value)) {
    alert("Invalid search data")
    frm.data.focus
    frm.data.select()
    return false
  }
  return true
}

startList = function() {
  if (document.all&&document.getElementById) {
    navRoot = document.getElementById("nav");
    for (i=0; i<navRoot.childNodes.length;i++){node=navRoot.childNodes[i];if(node.nodeName=="LI"){node.onmouseover=function(){this.className+=" over";};node.onmouseout=function(){this.className=this.className.replace(" over","");}}}}};window.onload=startList;
//]]>