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JS表单提示效果代码（dl/dt/dd结构）<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><htmlxmlns="http://www.w3.org/1999/xhtml"><head><title></title><title>JS表单提示效果代码（dl/dt/dd结构</title><styletype="text/css">dl{font:normal12px/15pxArial;position:relative;width:350px;}dt{clear:both;float:left;width:130px;padding:4px02px0;text-align:left;}dd{float:left;width:200px;margin:008px0;padding-left:6px;}/*ThehinttoHideandShow*/.hint{display:none;position:absolute;right:-250px;width:200px;margin-top:-4px;border:1pxsolid#c93;padding:10px12px;/*tofixIE6,Ican'tjustdeclareabackground-color,Imustdoabgimage,too!SoI'mduplicatingthepointer.gifimage,andpositioningitsothatitdoesn'tshowupwithinthebox*/background:#ffcurl("http://51xuediannao.com/uploads/soft/texiao/biaodantishi/ico01.gif")no-repeat-10px5px;}/*Thepointerimageishaddedbyusinganotherspan*/.hint.hint-pointer{position:absolute;left:-10px;top:5px;width:10px;height:19px;background:url("http://51xuediannao.com/uploads/soft/texiao/biaodantishi/ico01.gif")lefttopno-repeat;}</style><scripttype="text/javascript">functionaddLoadEvent(func){varoldonload=window.onload;if(typeofwindow.onload!='function'){window.onload=func;}else{window.onload=function(){oldonload();func();}}}functionprepareInputsForHints(){varinputs=document.getElementsByTagName("input");for(vari=0;i<inputs.length;i++){//testtoseeifthehintspanexistsfirstif(inputs[i].parentNode.getElementsByTagName("span")[0]){//thespanexists!onfocus,showthehintinputs[i].onfocus=function(){this.parentNode.getElementsByTagName("span")[0].style.display="inline";}//whenthecursormovesawayfromthefield,hidethehintinputs[i].onblur=function(){this.parentNode.getElementsByTagName("span")[0].style.display="none";}}}//repeatthesametestsasaboveforselectsvarselects=document.getElementsByTagName("select");for(vark=0;k<selects.length;k++)
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