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<select name=sel onchange="bao(this.options[this.options.selectedIndex].value)"> 
<option value="">ÇëÑ¡Ôñ 
<option value="1">Item 1 
<option value="2">Item 2 
<option value="3">Item 3 
</select> 
<script> 
function bao(s) 
{ 
    txt.value+=s; 
    //Ñ¡Ôñºó,ÈõÚÒ»ÏѡÖÐ,ÕâÑù,¾ÍÓÐChangeÀ². 
    document.all.sel.options[0].selected=true; 
} 
</script> 
<textarea id=txt></textarea>
 
    
     
	
	
    
    
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