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function  setEnd(field)   {  
      if (field.createTextRange) {  
          var r = field.createTextRange();  
          r.moveStart('character', field.value.length);  
          r.collapse();  
          r.select();  
      }  
  }
<INPUT   TYPE="text"   name="userName"   value="²âÊÔ"  onfocus="setEnd(this)">   
 <INPUT   TYPE="text"  name="userAge"   value="²âÊÔ"  onfocus="setEnd(this)">


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function getScrollTop()
{
    var scrollTop=0;
    if(document.documentElement&&document.documentElement.scrollTop)
    {
        ......

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function strToDate(){
var nowDate = new Date();
var oldDate = '2009-06-08';
var oldTime = '16:00';
var year = oldDate.substr(0,4);
var month = oldDate.substr(5,2);
var day = oldDate.substr(8,2);
var temDate = month+'/'+day+'/ ......

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var s = document.getElementById("selectYear");
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var l = s.options.length;
for(var i=0;i<l;i++){
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}
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