HTML文本框样式大全！（很实用，转载！）

输入框景背景透明：<input style="background:transparent;border:1px solid #ffffff"> 鼠标划过输入框，输入框背景色变色：<INPUT value="Type here" NAME="user_pass" TYPE="text" SIZE="29" onmouseover="this.style.borderColor='black';this.style.backgroundColor='plum'"style="width: 106; height: 21"onmouseout="this.style.borderColor='black';this.style.backgroundColor='#ffffff'" style="border-width:1px;border-color=black"> 输入字时输入框边框闪烁(边框为小方型)：<Script Language="JavaScript">function borderColor(){if(self['oText'].style.borderColor=='red'){self['oText'].style.borderColor = 'yellow';}else{self['oText'].style.borderColor = 'red';}oTime = setTimeout('borderColor()',400);}</Script><input type="text" id="oText" style="border:5px dotted red;color:red" onfocus="borderColor(this);" onblur="clearTimeout(oTime);"> 输入字时输入框边框闪烁(边框为虚线)：<style>#oText{border:1px dotted #ff0000;ryo:expression_r(onfocus=function light (){with(document.all.oText){style.borderColor=(style.borderColor=="#ffee00"?"#ff0000":"#ffee00");timer=setTimeout(light,500);}},onblur=function(){this.style.borderColor="#ff0000";clearTimeout(timer)})};</style><input type="text" id="oText"> 自动横向廷伸的输入框：<input type="text" style="huerreson:expression_r(this.width=this.scrollWidth)" value="abcdefghijk"> 自动向下廷伸的文本框：<textarea name="content" rows="6" cols="80" onpropertychange="if(this.scrollHeight>80) this.style.posHeight=this.scrollHeight+5">输入几个回车试试</textarea> 只有下划线的文本框：<input style="border:0;border-bottom:1 solid black;background:;"> 软件序列号式的输入框：<script for="T" event="onkeyup">if(value.length==3)document.all[event.srcElement.sourceIndex+1].select();</script><input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T7" size="5" maxlength="3"> 软件序列号式的输入框(完整版)：<script for="T" event="onkeyup">if(value.length==maxLength)document.all[event.srcElement.sourceIndex+1].focus();</script><script for="T" event="onfocus">select();</script><script for="Submit" event="onclick">var sn=new Array();for(i=0;i<T.length;i++)sn=T.value;alert(sn.join("—"));</script><input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3">—<input name="T" size="5" maxlength="3"><input type="submit" name="Submit">