Date.prototype.toCommonCase=function(){ 
var xYear=this.getYear(); 
//xYear=xYear+1900; 

var xMonth=this.getMonth()+1; 
if(xMonth<10){ 
xMonth="0"+xMonth; 
} 

var xDay=this.getDate(); 
if(xDay<10){ 
xDay="0"+xDay; 
} 

var xHours=this.getHours(); 
if(xHours<10){ 
xHours="0"+xHours; 
} 

var xMinutes=this.getMinutes(); 
if(xMinutes<10){ 
xMinutes="0"+xMinutes; 
} 

var xSeconds=this.getSeconds(); 
if(xSeconds<10){ 
xSeconds="0"+xSeconds; 
} 
return xYear+xMonth+xDay+xHours+xMinutes+xSeconds; 
}