function horzPop(overgif) {
overWindow = window.open(overgif, 'overWin', 'width=600,height=450,left=0,top=0')
overWindow.focus()
}

function vertPop(overgif) {
overWindow = window.open(overgif, 'overWin', 'width=450,height=600,left=0,top=0')
overWindow.focus()
}