var newwindow;
function popupwindow(url)
{
newwindow=window.open(url,'name','width=470,height=150,left = 400,top = 375'
);
if (window.focus) {newwindow.focus()}
}
function popupwindowlarge(url)
{
newwindow=window.open(url,'name','width=470,height=300,left = 400,top = 375'
);
if (window.focus) {newwindow.focus()}
}