//clears keyword from search box if it matches specified word
function clearKeyword(obj,word)
	{
	if(obj.value == word) obj.value = "";
	}
		search_form_searchtext = document.getElementById("searchtext"); //retrieve search string input box
		search_form_searchkeyword = window.location.search; //retrieve searchtext string from URL, and then get the keyword value out of it
	if(search_form_searchkeyword.match(/(\?|&)q=/))
	{
		search_form_searchkeyword = search_form_searchkeyword.replace(/^.*[/&?]q=/,""); //remove the bit before ...q=
		search_form_searchkeyword = search_form_searchkeyword.replace(/&.*$/,""); //remove bit after q=...
		search_form_searchkeyword = search_form_searchkeyword.replace(/\+/g," ") //replace google's space character +
		search_form_searchkeyword = decodeURIComponent(search_form_searchkeyword); //decode any encoded URL values
		document.getElementById("searchtext").style.backgroundcolor = "white"; 
	if(search_form_searchkeyword.length > 0) search_form_searchtext.value = search_form_searchkeyword; //put the keyword in the search box
	else search_form_searchtext.value = "Enter keyword(s)...";
} else search_form_searchtext.value = "Enter keyword(s)...";