function stristr( haystack, needle, bool ) {	// Case-insensitive strstr()
	// 
	// +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)

	var pos = 0;

	pos = haystack.toLowerCase().indexOf( needle.toLowerCase() );
	if( pos == -1 ){
		return false;
	} else{
		if( bool ){
			return haystack.substr( 0, pos );
		} else{
			return haystack.slice( pos );
		}
	}
}