function MM_findObj(n, d) { //v4.0
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 && document.getElementById) x=document.getElementById(n); return x;}
function MM_showHideLayers() { //v3.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
subid = args[0];
show=args[2]=='hide'?false:true;
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; }}
//showhidelayer

function $() {
  var elements = new Array();  
  for ( var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);
    if (arguments.length == 1) 
      return element;
    elements.push(element);
  }
  return elements;
}
function swap(s,a,b,c){$(s)[a]=$(s)[a]==b?c:b;}
function hide(s){$(s).style.display=$(s).style.display=="none"?"":"none";}

var NS4 = (document.layers);  
var IE4 = (document.all);
var win = window;   
var n   = 0;

function findIt() {
	if (searchstr.value != "")
		findInPage(searchstr.value);
}


function findInPage(str) {
var txt, i, found;

if (str == "")
	return false;

if (NS4) {
	if (!win.find(str))
		while(win.find(str, false, true))
			n++;
	else
		n++;

	if (n == 0)
		alert("未找到指定内容.");
}

if (IE4) {
	txt = win.document.body.createTextRange();

	for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) {
		txt.moveStart("character", 1);
		txt.moveEnd("textedit");
	}

if (found) {
	txt.moveStart("character", -1);
	txt.findText(str);
	txt.select();
	txt.scrollIntoView();
	n++;
}
else {
	if (n > 0) {
		n = 0;
		findInPage(str);
	}
	else
		alert("未找到指定内容.");
	}
}

return false;
}