var bHeaderSearchBoxClicked=false;
function ClearBoxOnce(objBox)
{
	if (!bHeaderSearchBoxClicked)
	{
		bHeaderSearchBoxClicked = true;
        objBox.value="";
    }
}


function SubmitHeaderSearch()
{
	document.headersearchform.formquery.value = document.getElementById('headersearchbox').value;
    document.headersearchform.submit();
    return;
}
  
  
function HeaderSearchPressEnter(e)
{
    //e is event object passed from function invocation
	if(e && e.which)
	{ //if which property of event object is supported (NN4)
		e = e;
		characterCode = e.which; //character code is contained in NN4's which property
	}
	else
	{
		e = event;
		characterCode = e.keyCode; //character code is contained in IE's keyCode property
	}
      
    if(characterCode == 13) //if generated character code is equal to ascii 13 (if enter key)
    {
		SubmitHeaderSearch(); //submit the form
        return false;
	}
    else return true;
}