function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
$(document).ready(
  function () {
		
		// Assign click events to the tab buttons
		$("#news_container .news_tab a").click(change_news_tabs);
		$("#search_container .search_tab a").click(change_search_tabs);

	}
	
);
function change_news_tabs(e) {
  // Clear currently active tabs  
  $('#news_container .news_tab.active').removeClass("active");
  $('#news_container .news_layer.active').removeClass("active");
  
  // Make the new tab / form active
  var tab = $(this).parents('.news_tab').attr('id').match(/news_tab-(highlights|news)/).pop();
  $('#news_tab-' + tab).addClass("active");
  $('#news_' + tab + '-layer').addClass("active");
  
  // Cancel the event
  return false;
}
function change_search_tabs(e) {
  // Clear currently active tabs  
  $('#search_container .search_tab.active').removeClass("active");
  $('#search_container .search_layer.active').removeClass("active");
  
  // Make the new tab / form active
  var tab = $(this).parents('.search_tab').attr('id').match(/search_tab-(articles|catalog|journals|hds|site)/).pop();
  $('#search_tab-' + tab).addClass("active");
  $('#search_' + tab + '-layer').addClass("active");
  switch (tab) {
	  case 'articles':
  		document.form_articles.input_articles.focus();
		break;
	  case 'catalog':
  		document.form_catalog.input_catalog.focus();
		break;
	  case 'journals':
  		document.form_journals.input_journals.focus();
		break;
	  case 'hds':
  		document.form_hds.input_hds.focus();
		break;
	  case 'site':
  		document.form_site.input_site.focus();
		break;
  }
  
  // Cancel the event
  return false;
}