CurrentDate += Year + "-";
if (Month >= 10 ) 
{ 
CurrentDate += Month + "-"; 
} 
else 
{ 
CurrentDate += "0" + Month + "-"; 
} 
if (Day >= 10 ) 
{ 
CurrentDate += Day ; 
} 
else 
{ 
CurrentDate += "0" + Day ; 
} //alert(CurrentDate);//当前日期 
var startDate = new Date(CurrentDate.replace("-",",")).getTime() ; 
var endDate = new Date(controldate.replace("-",",")).getTime() ; if( startDate > endDate ) 
{ 
alert('选择日期不能小于当前日期!'); 
document.getElementById("sendDate").focus(); 
return false; 
}else{ 
return true; 
} 
} 
}