function IncludeJavascript(jsFile)
{
  document.write('<script type="text/javascript" src="'
    + jsFile + '"></scr' + 'ipt>'); 
}
IncludeJavascript("js/config.js");
IncludeJavascript("js/xmlhttp.js");
IncludeJavascript("js/prototype.js");
IncludeJavascript("js/functions.js");