function popupwindow(url)
{
	detailwindow=window.open(url,'details','height=580,width=509,location=no,toolbar=no,scrollbars=no');
	if (window.focus) {detailwindow.focus()}
}

function specspopwindow(url)
{
	specswindow=window.open(url,'specs','height=378,width=609,location=no,toolbar=no,scrollbars=no');
	if (window.focus) {specswindow.focus()}
}

function optionspopwindow(url)
{
	optionswindow=window.open(url,'options','height=580,width=592,location=no,toolbar=no,scrollbars=yes');
	if (window.focus) {optionswindow.focus()}
}