function keywordHighlight(idHtmlContent,keyword) {

var content= $("#"+idHtmlContent).html();//获取内容if ($.trim(keyword)==""){    return;//关键字为空则返回}var htmlReg = new RegExp("\<.*?\>", "i");var arrA = new Array();//替换HTML标签for (var i = 0; true; i++) {    var m = htmlReg.exec(content);    if (m) {        arrA[i] = m;    }else {        break;    }    content = content.replace(m, "{[(" + i + ")]}");}words = unescape(keyword.replace(/\+/g, ' ')).split(/\s+/);//替换关键字 for (w = 0; w < words.length; w++) {    var r = new RegExp("(" + words[w].replace(/[(){}.+*?^$|\\\[\]]/g, "\\$&") + ")", "ig");    content = content.replace(r, ""+words[w]+"");//关键字样式}//恢复HTML标签 for (var i = 0; i < arrA.length; i++) {    content = content.replace("{[(" + i + ")]}", arrA[i]);} $("#"+idHtmlContent).html(content);

}