confirm

<td align="center"><input style="width: 99%" id="ct_status" name="ct_status[]" value="${list.ct_status}" readonly></td>

<input type="button" class="j_but1" value="삭제" onclick="del('${list.ct_uid}')">

<script>
	function del(ct_uid){
		var status = document.getElementById("ct_status").value;
		//console.log(status);
		
		if(status != "준비"){
			alert(status+"인 상태로 삭제가 불가능합니다.");
		} else {
			if(confirm("해당 상품을 장바구니에서 삭제하시겠습니까?")){
				location.href="delete?ct_uid="+ct_uid;
			}else{
				location.href="list";
			}
		}
	}
</script>