/*******************************************************************************

'args.js', by Charlton Rose

Permission is granted to use and modify this script for any purpose,
provided that this credit header is retained, unmodified, in the script.

*******************************************************************************/


// This function is included to overcome a bug in Netscape's implementation
// of the escape () function:

function myunescape (str)
{
	str = '' + str;
	while (true)
	{
		var i = str . indexOf ('+');
		if (i < 0)
			break;
		str = str . substring (0, i) + ' ' + str . substring (i + 1, str . length);
	}
	return unescape (str);
}



// This function creates the args [] array and populates it with data
// found in the URL's search string:

function args_init ()
{
	args = new Array ();
	var argstring = window . location . search;
	if (argstring . charAt (0) != '?')
		return;
	argstring = argstring . substring (1, argstring . length);
	var argarray = argstring . split ('&');
	var i;
	var singlearg;
	for (i = 0; i < argarray . length; ++ i)
	{
		singlearg = argarray [i] . split ('=');
		if (singlearg . length != 2)
			continue;
		var key = myunescape (singlearg [0]);
		var value = myunescape (singlearg [1]);
		args [key] = value;
	}
}



// Call the args_init () function to set up the args [] array:

args_init ();