function open_snow()
{
window.open("http://snowflakecreative.co.uk/")
}
function open_xhtml()
{
window.open("http://validator.w3.org/check?uri=referer")
}
function open_css()
{
window.open("http://jigsaw.w3.org/css-validator/check/referer")
}
function open_pdf()
{
window.open("../../show-me-tell-me.pdf")
}
function open_parallel()
{
window.open("../../parallel-parking.pdf")
}
function open_bay()
{
window.open("../../bay-parking.pdf")
}
function open_turn()
{
window.open("../../turn-in-the-road.pdf")
}
function open_reverse()
{
window.open("../../reverse-around-a-corner.pdf")
}
function open_bigday()
{
window.open("../../when-the-big-day-comes.pdf")
}