function okp()
{
location=
document.provform.provcombo.options[document.provform.provcombo.selectedIndex].value
document.provform.provcombo.selectedIndex=0
}

function okc()
{
location=
document.cantform.cantcombo.options[document.cantform.cantcombo.selectedIndex].value
document.cantform.cantcombo.selectedIndex=0
}