function scheda(str) 
{
searchWin=window.open(str,'scheda','scrollbars=yes, resizable=no, width=680, height=520, status=no, location=no, toolbar=no');
}

function scheda2(str) 
{
searchWin=window.open(str,'scheda','scrollbars=yes, resizable=no, width=520, height=680, status=no, location=no, toolbar=no');
}

function scheda3(str) 
{
searchWin=window.open(str,'scheda','scrollbars=yes, resizable=no, width=500, height=420, status=no, location=no, toolbar=no');
}