function ClearSearchBox() {
   x=document.getElementById('SearchText');
   if (x.value=='Tìm kiếm') {
      x.value='';
   }
}

function clearField(searchField)
{
	searchField.value = "";
}

function submitSearch(searchField)
{
	if(searchField.toLowerCase() != 'Tìm kiếm')
		return true;
	
	return false;
}