<?
function goodie($title) {
	echo "<table border=0 cellspacing=0 class=black><tr>\n";
	echo "<td><!-- img src='images/goodie2.gif' --></td>\n";
	echo "<td style='font-size:16px;'>$title</td>\n";
	echo "<td><!-- img src='images/goodie.gif' --></td>\n";
	echo "</tr></table>\n";
}

function htmlsafe($str) {
	return trim(htmlspecialchars(stripslashes($str), ENT_QUOTES));
}

function unhtmlentities ($string){
    	$trans_tbl = get_html_translation_table (HTML_ENTITIES);
    	$trans_tbl = array_flip ($trans_tbl);
    	return strtr ($string, $trans_tbl);
}


function hilite($body, $text){ 

	/*Internet stopped working.. So quit halfway */ 
	/* Can we make it work also for &amp; kind of stuffs.. */
	/* The &amp; etc is also taken care of now. */

	$body = unhtmlentities($body);

	$new_text = preg_replace("/\040/","+",$text);
	$new_text = explode("+",$new_text);
	foreach($new_text as $txt){
		$txt = trim($txt);
		if(empty($txt)) continue;
		$alpha_text = preg_replace("/\W/","-",$text);
		$strings = explode("-",$alpha_text);
		foreach($strings as $str){
			if(!empty($str))
			$texts[] = $str;
		}
	}
	//$patterns[$i] = '/'.preg_quote($text[$i], '/').'/i';
	$orig_body = $body;
	$new_body = "";
	foreach($texts as $text){
		$text = trim($text);
		if(strlen($text)<=2) continue;
		if($new_body!=""){ 
			$body=unhtmlentities($new_body);
			$new_body="";
		}
		while ($body!="") { 
	      		if (preg_match('{^([^<]*)?(</?[^>]+?>)?(.*)$}s',$body,$matches)) { 
			/* this while loop is to preserve case of every match. */
			$new_str = $matches[1];
			while($new_str!=""){
				$match_pos = strpos(strtolower($new_str),strtolower($text));
	      			if($match_pos===false){
					$new_body.=htmlentities($new_str);
					$new_str="";
				} else {
					if($match_pos!=0)
						$new_body.=htmlentities(substr($new_str,0,$match_pos));
						$match = substr($new_str,$match_pos,strlen($text));
						$replacement = "<span style=\"background: black; color: white;\">$match</span>";  
						$new_body.= $replacement;
						$new_str = substr($new_str,$match_pos+strlen($text));
					}
				}
	        		$new_body.= $matches[2];
	        		$body = $matches[3];
	    		} 
		}
	}
	if($new_body=="") return $orig_body;
	else return $orig_body;
}
?>