js日付変換sttoDate

//       
var myStartStr = “2015-05-04 17:10:10” 
var myEndStr = “2015-05-04 17:10:10” 
var myStartDate = new Date(Date.parse(myStartStr.replace(/-/g, "/"))); 
var myEndDate = new Date(Date.parse(myEndStr.replace(/-/g, "/"))); 
//js      
var currDate = new Date();
if(currDatemyEndDate){
				alert("               ");
				return;
			}
//     ： 
myStrDate.getYear();        //      (2 ) 
myStrDate.getFullYear();    //       (4 ,1970-????) 
myStrDate.getMonth();       //      (0-11,0  1 ) 
myStrDate.getDate();        //     (1-31) 
myStrDate.getDay();         //      X(0-6,0     ) 
myStrDate.getTime();        //      ( 1970.1.1      ) 
myStrDate.getHours();       //       (0-23) 
myStrDate.getMinutes();     //       (0-59) 
myStrDate.getSeconds();     //      (0-59) 
myStrDate.getMilliseconds();    //       (0-999) 
myStrDate.toLocaleDateString();     //        2015/5/4
var mytime=myStrDate .toLocaleTimeString();     //         5:10:47
myStrDate .toLocaleString( );        //         2015/5/4   5:10:47