document.write('<form name="search" action="/module/pro/mysearch.asp" method="get" onsubmit="if(this.query.value==\'关键字…\' || this.query.value==\'\'){alert(\'请输入关键字\');this.query.focus();return false;}">');
document.write('<input type="hidden" name="space" value="0" />');
document.write('<input type="hidden" name="languages" value="1" />');
document.write('<input type="hidden" name="rn" value="20" />');
document.write('<label for="query"></label>');
document.write('<input name="query" id="query" type="text" class="soinput"  value="关键字…" onfocus="if(this.value==\'关键字…\'){this.value=\'\'}" onblur="if(this.value==\'\'){this.value=\'关键字…\'}"/>');
document.write('<input type="submit" name="button" class="sobutton" value="" />');
document.write('</form>');