addEvent(window, 'load', initBuyHelp);			// hide and show course details help

//-----------------------------------------------------------------------------


function initBuyHelp()
{
	var alllinks = document.getElementsByTagName('A')
	var helplinks = []
	helplinks = filter(alllinks, 'help', helplinks, 'tag')

	var allparas = document.getElementsByTagName('P')
	var closehelps = []
	closehelps = filter(allparas, 'close', closehelps, 'tag')

	var alldivs = document.getElementsByTagName('DIV')
	var infodivs = []
	infodivs = filter(alldivs, 'moreinfo', infodivs, 'tag')

	for (var i=(helplinks.length-1); i>=0;i--)
		{
		helplinks[i].infodiv = infodivs[i]
		helplinks[i].onclick = showHelp;
		}

	for (var i=(closehelps.length-1); i>=0;i--)
		{
		closehelps[i].infodiv = infodivs[i]
		closehelps[i].onclick = hideHelp;
		}

}

function showHelp()
{
	if (this.infodiv.className == 'moreinfo')
		{this.infodiv.className = 'moreinfo shown'}

	return false;
}

function hideHelp()
{
	if (this.infodiv.className == 'moreinfo shown')
		{this.infodiv.className = 'moreinfo'}
}