var NS4 = (document.layers);
var IE4 = (document.all);

var win = this;
var n   = 0;

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(str + " ...您要找的答案不存在。请试着输入该题目中的关键字再次查找！并且请注意，不要把“？”或“：”也输入查找！！！");
	}

	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(str + "...您要找的答案不存在。请试着输入该题目中的关键字再次查找！并且请注意，不要把“？”或“：”也输入查找！！！");
		}
	}
	return false;
}

self.onError=null;
	currentX = currentY = 0;  
	whichIt = null;   
        	lastScrollX = 0; lastScrollY = 0;
	NS = (document.layers) ? 1 : 0;
	IE = (document.all) ? 1: 0;
	<!-- STALKER CODE -->
	function heartBeat() {
		if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
	    if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
		if(diffY != lastScrollY) {	                percent = .1 * (diffY - lastScrollY);
	                if(percent > 0) percent = Math.ceil(percent);
	                else percent = Math.floor(percent);					if(IE) document.all.floater.style.pixelTop += percent;
					if(NS) document.floater.top += percent; 	                lastScrollY = lastScrollY + percent;
	    }
		if(diffX != lastScrollX) {
			percent = .1 * (diffX - lastScrollX);
			if(percent > 0) percent = Math.ceil(percent);
			else percent = Math.floor(percent);
			if(IE) document.all.floater.style.pixelLeft += percent;
			if(NS) document.floater.left += percent;
			lastScrollX = lastScrollX + percent;
		}	
	}	<!-- /STALKER CODE -->
	<!-- DRAG DROP CODE -->
	function checkFocus(x,y) { 
	        stalkerx = document.floater.pageX;
	        stalkery = document.floater.pageY;
	        stalkerwidth = document.floater.clip.width;
	        stalkerheight = document.floater.clip.height;
	        if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
	        else return false;
	}	function grabIt(e) {
		if(IE) {
			whichIt = event.srcElement;
			while (whichIt.id.indexOf("floater") == -1) {
				whichIt = whichIt.parentElement;
				if (whichIt == null) { return true; }
		    }
			whichIt.style.pixelLeft = whichIt.offsetLeft;
		    whichIt.style.pixelTop = whichIt.offsetTop;
			currentX = (event.clientX + document.body.scrollLeft);
	   		currentY = (event.clientY + document.body.scrollTop); 	
		} else { 
	        window.captureEvents(Event.MOUSEMOVE);
	        if(checkFocus (e.pageX,e.pageY)) { 
	                whichIt = document.floater;
	                StalkerTouchedX = e.pageX-document.floater.pageX;
	                StalkerTouchedY = e.pageY-document.floater.pageY;
	        } 		}
	    return true;
	}
	function moveIt(e) {
		if (whichIt == null) { return false; }
		if(IE) {
		    newX = (event.clientX + document.body.scrollLeft);
		    newY = (event.clientY + document.body.scrollTop);
		    distanceX = (newX - currentX);    distanceY = (newY - currentY);		    currentX = newX;    currentY = newY;
		    whichIt.style.pixelLeft += distanceX;		    whichIt.style.pixelTop += distanceY;
			if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;			if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
			if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
			if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
			event.returnValue = false;
		} else {
			whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
	        if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
	        if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
	        if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
	        if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
	        return false;
		}
	    return false;
	}
	function dropIt() {
		whichIt = null;
	    if(NS) window.releaseEvents (Event.MOUSEMOVE);
	    return true;
	}
	<!-- DRAG DROP CODE -->
	if(NS) {
		window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
		window.onmousedown = grabIt;
	 	window.onmousemove = moveIt;
		window.onmouseup = dropIt;
	}
	if(IE) {
		document.onmousedown = grabIt;
	 	document.onmousemove = moveIt;
		document.onmouseup = dropIt;
	}
	if(NS || IE) action = window.setInterval("heartBeat()",1);

document.write('<div ID="floater" align="center"></tr><tr><td width="100%" class="ourfont"><table border="1" width="100%" cellspacing="0" cellpadding="0" bordercolorlight="#008000" bordercolordark="#FFFFFF"><tr><td width="100%" valign="middle" align="center"><form name="search1" onSubmit="return findInPage(this.string1.value);"><p><font color="#FF0000" class="ourfont">查询本页：</font><input alt="查询" border="0" src="find.gif" type="image" name="搜索" WIDTH="50" HEIGHT="27"><br><input name="string1" type="text" size="40" onChange="n = 0;" ');
document.write("onFocus=window.document.search1.string1.value=''  class='ourfont'><form></td></tr><tr><td width='100%' bgcolor='#D9D9FF' valign='middle' align='center'><span class='ourfont'><font color='#400040'>可以用鼠标拖动此窗口！</font></span></td></tr></table></td></tr></table></div></form>");