js入社時間による勤続年数の判断

			// js          ;
			//   ：4 3  4 
			//visitTime              
 			var actualEntryTime = $("#actualEntryTime").val();
	    	var aDate = actualEntryTime.split("-");
	    	var vDate = visitTime.split("-");
	    	//     0-11，          
	    	var NewADate = new Date(aDate[0], aDate[1] - 1, aDate[2]);
	    	var NewVDate = new Date(vDate[0], vDate[1] - 1, vDate[2]);
	        var dif = NewVDate .getTime() - NewADate.getTime();
	        NewVDate .setTime(dif);
	        var year = NewVDate .getFullYear() - 1970;
	        var month = NewVDate .getMonth();
	        var day = NewVDate .getDate();
	        if(year< 0 || NewVDate .getTime()> NewADate .getTime()){
     
	        	 $("#actualEntryTimeStr").html("    ！");
	        }else  if(year> 0 && month == 0 && day==0 ){
     
	              $("#actualEntryTimeStr").html(year+" ");
	        }else if(year> 0 && month>0 && day>0 ){
     
	            $("#actualEntryTimeStr").html(year+" "+month+"  "+day+" ");
	        }else if(year == 0 && month>0 && day>0 ){
     
	              $("#actualEntryTimeStr").html(month+"  "+day+" ");
	        }else if(year == 0 && month>0 && day==0 ){
     
                  $("#actualEntryTimeStr").html(month+"  ");
            }else if(year == 0 && month==0 && day>=0 ){
     
	        	 $("#actualEntryTimeStr").html(day+" ");
	        }