function clearWord(obj,defaultValue)
{
//    if(document.getElementById(obj).value==defaultValue)
//    {
        document.getElementById(obj).value="";
//    }
}
function keypress(event,input)
{
    event = window.event || event;
    switch(event.keyCode || event.which) 
    {   
        case 13:
         document.getElementById(input).focus(); 
         document.onkeydown =function()
         {
         }   
        break;
    }
      
}
document.onkeydown =function()
{
  if(event.keyCode==13)
  {
    event.keyCode=0;   
    event.returnValue=false;
  }
}