gistfile1.txt

<script type="text/javascript">
		  function kopipe(){
		    if (ikisaki.value == 0){
			document.getElementById("kekka").innerHTML = "行き先0";
		      } else if (ikisaki.value == 1) {
			document.getElementById("kekka").innerHTML = "行き先1";
		      } else if (ikisaki.value == 2){
			document.getElementById("kekka").innerHTML = "行き先2 ";
		      } else if (ikisaki.value == 3){
		       document.getElementById("kekka").innerHTML = "行き先3";
		    }
		  }
		</script>
		<select id="ikisaki">
		  <option value="0" selected="selected">吉野家に行く</option>
		  <option value="1">ドコモショップに行く</option>
		  <option value="2">ハロワに行く</option>
		  <option value="3">糞スレに行く</option>
		</select>
		<input type="button" value="GO" onclick="kopipe(ikisaki)">
		<div id="kekka">ここにコピペを表示します</div>