// Title: tigra tables
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_tables/
// Version: 1.0
// Date: 03-04-2002 (mm-dd-yyyy)
// Author: Denis Gritcyuk <denis@softcomplex.com>
// Notes: Permission given to use this script in any kind of applications if
//    header lines are left unchanged. Feel free to contact the author
//    for feature requests and/or donations

function tigra_tables(
		str_tableid, // table id (req.)
		num_header_offset, // how many rows to skip before applying effects at the begining (opt.)
		num_footer_offset, // how many rows to skip at the bottom of the table (opt.)
		str_mover_color // background color for rows with mouse over (opt.)
	)
{	// validate required parameters
	if (!str_tableid) return alert ("No table(s) ID specified in parameters");
	var obj_tables = (document.all ? document.all[str_tableid] : document.getElementById(str_tableid));
	if (!obj_tables) return alert ("Can't find table(s) with specified ID (" + str_tableid + ")");

	// set defaults for optional parameters
	var col_config = [];
	col_config.header_offset = (num_header_offset ? num_header_offset : 0);
	col_config.footer_offset = (num_footer_offset ? num_footer_offset : 0);
	col_config.mover_color = (str_mover_color ? str_mover_color : '#e5e5e5');
	
	// init multiple tables with same ID
	if (obj_tables.length)
		for (var i = 0; i < obj_tables.length; i++)
			tt_init_table(obj_tables[i], col_config);
	// init single table
	else
		tt_init_table(obj_tables, col_config);
}

function tt_init_table (obj_table, col_config)
{	var col_trs = obj_table.rows;
	for (var i = col_config.header_offset; i < col_trs.length - col_config.footer_offset; i++)
	{	col_trs[i].config = col_config;
		col_trs[i].onmouseover = tt_mover;
		col_trs[i].onmouseout = tt_mout;
	}
}

function tt_mover ()
{	this.style.backgroundColor = this.config.mover_color;
}

function tt_mout ()
{	this.style.backgroundColor = 'transparent';
}