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return str1.replace(/^(\s|\u00A0)+/,'').replace(/(\s|\u00A0)+$/,''); } function checkSearchForm1() { var flg1 = false; var keywordInput1 = trimSpace(document.getElementById('keywordInput1').value); if(keywordInput1 != '' && keywordInput1!='请输入关键词'){ flg1=true; } document.getElementById("keywordInput1").focus(); return flg1; } $(function(){ $("#searchSubmit1").click(function(){ if(checkSearchForm1()){ $("#searchForm1").submit(); } }); });