function winop_rf()
{
windop = window.open("http://help-centr.ru/forms/rf.php","mywin","height=650,width=450,left=50,top=50, scrollbars=yes");
}

function winop_sng()
{
windop = window.open("http://help-centr.ru/forms/sng.php","mywin","height=650,width=450,left=50,top=50, scrollbars=yes");
}

function winop_ooo()
{
windop = window.open("http://help-centr.ru/forms/ooo.php","mywin","height=500,width=600,left=50,top=50, scrollbars=yes");
}