<!--
function R_ov(x1,x2,x3){
	docs = 'bt_' + x1;
	doc_img = doc_dir + 'img/' + docs + '_' + x2 + '.' + x3;
	document.images[docs].src = doc_img;
}
function pd(){
	xPage = document.pulldown.menu.options[document.pulldown.menu.selectedIndex].value;
	if(xPage != ""){ window.open(xPage,"_top"); }
}
function xck(){
	if(location.hash){
		ds = location.hash.split("#");
		doc_bg = ds[1] + '_bg';
		if(document.all){
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}
-->