today=new Date(); 
function initArray(){ 
   this.length=initArray.arguments.length 
   for(var i=0;i<this.length;i++) 
   this[i+1]=initArray.arguments[i]  } 
   var d=new initArray( 
     "星期日", 
     "星期一", 
     "星期二", 
     "星期三", 
     "星期四", 
     "星期五", 
     "星期六"); 
ciker_date=(today.getYear()+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日   "+d[today.getDay()+1]); 

function changecode(img)
{
    var RandImg = document.getElementById(img);
    RandImg.src = "ValidateCode.aspx";
    return false;
}

function get(p)
{
    return document.getElementById(p);
}

//document.onkeydown=mykeydown;
//function mykeydown()
//{
//    if(event.keyCode==116) //屏蔽F5刷新键
//    {
//       window.event.keyCode=0;   
//       return false;
//    }
//}