//--------------------------------------------------------------------
// copyright Shawn Zhang 2003 focusbox.net all rights reserved.
//--------------------------------------------------------------------

<!--
var validQry=false;
//------------------------------------
//URL query
//------------------------------------
var query = location.search; 
var pageCat = query.substring(query.indexOf("cat=") + 4, query.indexOf("&"));
var pageId = query.substring(query.indexOf("id=") + 3, query.indexOf("str=")-1);
//------------------------------------
//get crumb
//------------------------------------
var tempCrumb = query.substring(query.indexOf("str=") + 4, query.length);
var re=/%20/gi;
var pageCrumb=tempCrumb.replace(re, ' ');
//------------------------------------
// validate query.
//------------------------------------
if (query.indexOf("cat=")>0 && query.indexOf("id=")>0 && query.indexOf("str=")>0) {
  validQry=true;
}

//------------------------------------
// show linked documents
//------------------------------------
function showDoc() {
  if (validQry) {
    if (pageCat == "" || pageId== "" || pageCrumb == "") {
      document.write('<iframe FRAMEBORDER=0  scrolling=\"auto\" width=\"100 %\" height=\"100 %\" src=\"' + secOverview + '\" name=\"ifrm\"></iframe>');
    } else if (pageCat == "top") {
        document.write('<iframe FRAMEBORDER=0  scrolling=\"auto\" width=\"100 %\" height=\"100 %\" src=\"' + secOverview + '#' + pageId + '\" name=\"ifrm\"></iframe>');    
    } else{
        document.write('<iframe FRAMEBORDER=0  scrolling=\"auto\" width=\"100 %\" height=\"100 %\" src=\"' + secDir + '/' + pageCat + '_' + pageId + '.html\"  name=\"ifrm\"></iframe>');
    } 
  } else {
    window.location=secTop;
  }
}  

//------------------------------------
// update crumb
//------------------------------------
function showCrumb() {
if (pageCat != "" && pageId!= "" && validQry) {
    document.write(' &gt; ' +  pageCrumb);
  }
}
//-->