function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1) 
      return element;

    elements.push(element);
  }

  return elements;
}

sfHover = function(id) {
	var sfEls = $(id).getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", function(){ sfHover('specificguides'); sfHover('measures'); } );
document.onkeypress = checkCR; 

function doSearch(){
	var wts = $('wTransSearch');
	if(wts.value == '')
		alert('Please enter a search query ...');
	else
		window.location = '/wla/westtrans.nsf/Searches/WT-70?OpenDocument&q=' + wts.value;
}

function checkCR(evt) {
	var evt  = (evt) ? evt : ((event) ? event : null);
	var node = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
	if ((evt.keyCode == 13) && (node.type=="text")) {
		if($('wTransSearch')){
			doSearch();
			return false}
		else
			return false;
	}
}