tooltip使用，可以显示图片，文字

<?php
$productName = '(我爱你胜莉,呵呵—)';
$productName = $productName . '<img height="46" border="0" width="137" alt="到百度首页" src="http://www.baidu.com/img/logo-yy.gif" mce_src="http://www.baidu.com/img/logo-yy.gif"/><br /><br /><br />test';
$productName = htmlspecialchars($productName);
//$productName = str_replace(array('/'','(',')','"',),array('///'','/(','/)','"'),$productName);
//echo $productName;
?>
<a href="javascript:" mce_href="javascript:" class="greyPill" onmouseover="doTooltip(event,0,'<?php  echo $productName;?>')" onmouseout="hideTip()">
<span><?php echo 'Details' ;?></span>
</a>

<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100; width:300px;"></div>
<mce:script type="text/javascript"><!--
// This code is from Dynamic Web Coding www.dyn-web.com
// Copyright 2002 by Sharon Paine Permission granted to use this code as long as this entire notice is included.
// Courtesy of SimplytheBest.net - http://simplythebest.net/scripts/ var dom = (document.getElementById) ? true : false;
var ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
var ns4 = (document.layers && !dom) ? true : false;
var ie4 = (document.all && !dom) ? true : false;
var nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;
var origWidth, origHeight;
if (ns4) {
origWidth = window.innerWidth; origHeight = window.innerHeight;
window.onresize = function() { if (window.innerWidth != origWidth || window.innerHeight != origHeight) history.go(0); }
}
if (nodyn) { event = "nope" }
var tipFollowMouse	= true;
var tipWidth		= 160;
var offX		 	= 12;	// how far from mouse to show tip
var offY		 	= 12;
var tipFontFamily 	= "Verdana, arial, helvetica, sans-serif";
var tipFontSize		= "8pt";
var tipFontColor		= "#000000";
var tipBgColor		= "#DDECFF";
var origBgColor 		= tipBgColor; // in case no bgColor set in array
var tipBorderColor 	= "#bbb";
var tipBorderWidth 	= 1;
var tipBorderStyle 	= "ridge";
var tipPadding	 	= 4;
var startStr = '<table width="auto">';
var midStr = '<tr><td valign="top">';
var endStr = '</td></tr></table>';
var tooltip, tipcss;
function initTip() {
if (nodyn) return;
tooltip = (ns4)? document.tipDiv.document: (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
tipcss = (ns4)? document.tipDiv: tooltip.style;
if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
//tipcss.width = tipWidth+"px";
tipcss.fontFamily = tipFontFamily;
tipcss.fontSize = tipFontSize;
tipcss.color = tipFontColor;
tipcss.backgroundColor = tipBgColor;
tipcss.borderColor = tipBorderColor;
tipcss.borderWidth = tipBorderWidth+"px";
tipcss.padding = tipPadding+"px";
tipcss.borderStyle = tipBorderStyle;
}
if (tooltip&&tipFollowMouse) {
if (ns4) document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = trackMouse;
}
}
window.onload = initTip;
var t1,t2;	// for setTimeouts
var tipOn = false;	// check if over tooltip link
function doTooltip(evt,num,path) {
var messages = new Array();
messages[num] = new Array('',path,"#FFFFFF");

if (!tooltip) return;
if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
tipOn = true;
// set colors if included in messages array
if (messages[num][2])	var curBgColor = messages[num][2];
else curBgColor = tipBgColor;
if (messages[num][3])	var curFontColor = messages[num][3];
else curFontColor = tipFontColor;
if (ns4) {
alert(messages[num][1]);
var tip = '<table bgcolor="' + tipBorderColor + '" width="auto" cellspacing="0" cellpadding="' + tipBorderWidth + '" border="0"><tr><td><table bgcolor="' + curBgColor + '" width="auto" cellspacing="0" cellpadding="' + tipPadding + '" border="0"><tr><td>'+ startStr + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';" mce_style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr + '</td></tr></table></td></tr></table>';

tooltip.write(tip);
tooltip.close();
} else if (ie4||ie5||ns5) {
var tip = startStr + messages[num][0] + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';" mce_style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';">' + messages[num][1] + '</span>' + endStr;
tipcss.backgroundColor = curBgColor;
tooltip.innerHTML = tip;
}
if (!tipFollowMouse) positionTip(evt);
else t1=setTimeout("tipcss.visibility='visible'",100);
}
var mouseX, mouseY;
function trackMouse(evt) {
mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
if (tipOn) positionTip(evt);
}
function positionTip(evt) {
if (!tipFollowMouse) {
mouseX = (ns4||ns5)? evt.pageX: window.event.clientX + document.body.scrollLeft;
mouseY = (ns4||ns5)? evt.pageY: window.event.clientY + document.body.scrollTop;
}
// tooltip width and height
var tpWd = (ns4)? tooltip.width: (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
var tpHt = (ns4)? tooltip.height: (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
// document area in view (subtract scrollbar width for ns)
var winWd = (ns4||ns5)? window.innerWidth-20+window.pageXOffset: document.body.clientWidth+document.body.scrollLeft;
var winHt = (ns4||ns5)? window.innerHeight-20+window.pageYOffset: document.body.clientHeight+document.body.scrollTop;
// check mouse position against tip and window dimensions
// and position the tooltip
if ((mouseX+offX+tpWd)>winWd)
tipcss.left = (ns4)? mouseX-(tpWd+offX): mouseX-(tpWd+offX)+"px";
else tipcss.left = (ns4)? mouseX+offX: mouseX+offX+"px";
if ((mouseY+offY+tpHt)>winHt)
tipcss.top = (ns4)? winHt-(tpHt+offY): winHt-(tpHt+offY)+"px";
else tipcss.top = (ns4)? mouseY+offY: mouseY+offY+"px";
if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
}
function hideTip() {
if (!tooltip) return;
t2=setTimeout("tipcss.visibility='hidden'",100);
tipOn = false;
}
// --></mce:script>