re-enabling onpaste method

/*
 Following code overrides the disabling of onpaste methods.
 Based on code from:
 http://prioritized.net/blog/re-enabling-password-pasting-on-annoying-web-forms/
 Note: Only works in Chrome & Safari
*/

var inputs=document.getElementsByTagName('input');
for(var i=0;i<inputs.length;i++)
{
  if(inputs[i].getAttribute('type').toLowerCase()==='password')
  {
    inputs[i].onpaste = function(e) {
      // only Chrome and Safari support clipboardData access on event object
      // see http://codebits.glennjones.net/editing/getclipboarddata.htm
      if (e.clipboardData != undefined && e.clipboardData.getData != undefined)
      {
        this.value = e.clipboardData.getData('text/plain');
      }
      return false;
    }
  }
}