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我试图制作图像地图，我需要在鼠标悬停上显示的工具提示。该html代码如下所示。标题上的图像地图区域工具提示
`<div id="harta">
<img src="/templates/it_thecity/images/map.png" width="620" height="310" class="map" border="0" usemap="#shqiperia" />
<map name="shqiperia" id="shqiperia">
<area shape="poly" coords="266,69,260,74,260,82,255,90,251,97,246,98,246,104,240,103,239,107,240,113,237,116,239,121,243,121,248,123,251,120,252,114,256,115,260,117,263,114,263,109,263,105,265,104,268,104,269,100,271,96,272,91,270,89,267,81,267,75,266,69" href="#" target="_self" alt="Shkodra" title="Shkodër (3)" class="sh masterTooltip" data-maphilight='{"groupBy":".sh"}'/>
<area shape="rect" coords="44,56,122,76" href="#" alt="Shkodër" class="sh masterTooltip" data-maphilight='{"groupBy":".sh","fill":false, "stroke":false}' title="3 Universitete" />
</div>`
而且我有从模块中我的网站的JavaScript代码，显示上的其他元素不是图像映射中的某些工具提示。
`<script type="text/javascript">
window.addEvent('domready', function() {
$$('.hasTip').each(function(el) {
var title = el.get('title');
if (title) {
var parts = title.split('::', 2);
el.store('tip:title', parts[0]);
el.store('tip:text', parts[1]);
}
});
var JTooltips = new Tips($$('.hasTip'), { fixed: false});
});
(function() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/plusone.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
})();
</script>`
如何使一个工具提示出现在鼠标悬停在area元素？