// JavaScript Document

function keywordSearch()
{
	if(trim(document.SearchKeyword.Search.value) == '')
	{
		alert('Enter Keyword');
		document.SearchKeyword.Search.focus();
	}else{
		document.SearchKeyword.action = "search.php";
		document.SearchKeyword.submit();
	}
}

function trim(s)
{
	return rtrim(ltrim(s));
}

function ltrim(s)
{
	var l=0;
	while(l < s.length && s[l] == ' ')
	{	l++; }
	return s.substring(l, s.length);
}

function rtrim(s)
{
	var r=s.length -1;
	while(r > 0 && s[r] == ' ')
	{	r-=1;	}
	return s.substring(0, r+1);
}
function trim(s)
{
	var l=0; var r=s.length -1;
	while(l < s.length && s[l] == ' ')
	{	l++; }
	while(r > l && s[r] == ' ')
	{	r-=1;	}
	return s.substring(l, r+1);
}