Check date against Current time

HTML

<button onclick="check('2013-05-05')">check</button>

JavaScript

var check = function(date){
    console.log(date)
    var effDate = Date.parse(date);
    var curDate = new Date();
    console.log(effDate);
    console.log(curDate);
    if (effDate.valueOf() > curDate){
       console.log("disabled");
    }
    else{
       console.log("enabled");
    }
}