//pop-up window script used in expert_database section.
	function pop_up(s){
		window.open(s,"pop_up","width=400,height=500,scrollbars=yes,resizable=yes");
	}

	//pop-up window script used in other sections. better script.
	function MM_openBrWindow(theURL,winName,features) { //v2.0
		window.open(theURL,winName,features);
	}

	//pop-up window script used in other sections. better script.
	function MM_openBrWindow2(theURL,winName,features) { //v2.0
		window.open(theURL,winName,features);
	}



	//toggler scripts
function classoggle(tag, classa, classb) {
   if (tag.className==classa){
      tag.className=classb;
   } else {
      tag.className=classa;
}
}
function visoggle(index, me) {
 var d = document.getElementById(index);
 classoggle(d, 'hideMe', 'showMe');
   if (me!=undefined) {
      if (me.src == closePicture){
         me.src = openPicture; }
      else {
         me.src = closePicture;
      }
    }
}
function collapseAll(start, exp) {
if (exp == 1) {
   var newClass = 'showMe';
   var newPic = openPicture;
   var oldPic = closePicture;
  } else {
   var newClass = 'hideMe';
   var newPic = closePicture;
   var oldPic = openPicture;
  }
 var allDivs = document.getElementsByTagName('div');
 var allImgs = document.getElementsByTagName('img');
 for (i=0; i < allDivs.length; i++) {
   if (allDivs[i].id.indexOf(start) > -1) {
    allDivs[i].className = newClass
   }
 }
 for (i=0; i < allImgs.length; i++) {
    if (allImgs[i].src == oldPic) {
      allImgs[i].src = newPic
    }
 }
}