var defaultkeywords = "Search products"; 

function check_keywords()
{

	if(document.form1.Keyword.value == defaultkeywords)
	{ document.form1.Keyword.value = ""; }

}

function submit_search()
{

	if(document.form1.Keyword.value != "" && document.form1.Keyword.value != defaultkeywords)
	{ location.href = "search.htm?keywords=" + document.form1.Keyword.value; }
	else
	{ document.form1.Keyword.value = defaultkeywords; }

}

function init()
{ document.form1.Keyword.value = defaultkeywords; }