function popLiveHelp()
{
   if (this.winImage && this.winImage.close && !this.winImage.closed)
   this.winImage.close ();
   this.winImage = window.open ('https://server.iad.liveperson.net/hc/70156197/?cmd=file&file=visitorWantsToChat&site=70156197&imageUrl=https://server.iad.liveperson.net/hcp/Gallery/ChatButton-Gallery/English/Retail/1a&referrer='+escape(document.location),'chat70156197','width=400,height=375,resizable=yes');
}

<!-- clear/replace search box default text -->
var defaultText = "Search Keyword or Stock #";
function clickclear(thisfield) {
   if (thisfield.value == defaultText) {
      thisfield.value = "";
   }
}

function clickrecall(thisfield) {
   if (thisfield.value == "") {
      thisfield.value = defaultText;
   }
}

<!-- show/hide div -->
function showHide(d) {
   var imgName = 'st_' + d;
   if ( document.getElementById(d).style.display == "none" ) { 
      document.getElementById(d).style.display = "block"; 
      document.getElementById(imgName).src = "/images/Additional_Information_Minus_Button.gif"; 
   } else { 
      document.getElementById(d).style.display = "none"; 
      document.getElementById(imgName).src = "/images/Additional_Information_Plus_Button.gif"; 
   }
}