book.as

酒店管理系统

 <script>
 function monthday(m)
{  
  switch(m)
  { 
     case '1' :return 31;break;
	 case '2' :return 29;break;
	 case '3' :return 31;break;
	 case '4' :return 30;break;
	 case '5' :return 31;break;
	 case '6' :return 30;break;
	 case '7' :return 31;break;
	 case '8' :return 31;break;
	 case '9' :return 30;break;
	 case '10' :return 31;break;
	 case '11' :return 30;break;
	 case '12' :return 31;break;
	 case '01' :return 31;break;
	 case '02' :return 29;break;
	 case '03' :return 31;break;
	 case '04' :return 30;break;
	 case '05' :return 31;break;
	 case '06' :return 30;break;
	 case '07' :return 31;break;
	 case '08' :return 31;break;
	 case '09' :return 30;break;
	 case 1 :return 31;break;
	 case 2 :return 29;break;
	 case 3 :return 31;break;
	 case 4 :return 30;break;
	 case 5 :return 31;break;
     case 6 :return 30;break;
	 case 7 :return 31;break;
	 case 8 :return 31;break;
	 case 9 :return 30;break;
	 case 10 :return 31;break;
	 case 11 :return 30;break;
	 case 12 :return 31;break;
	 default  :return 0;break;
	 }
 }
function countday(c1,c2)
{ var daycount,tempday;
   tempday=c1-<? echo $month;?>;
   
   if(tempday==0)
     daycount=c2;
	  else 
	     if(tempday<0)
		    daycount=31+c2;
			  else 
			    daycount=monthday(c1-1)+c2*1;
				
	 return daycount;
 } 			

	</script>