avisynth script with conditionals, please help the ***

[marcorocchini]

Hi cats, please I have this wrong script:

FFVideoSource("input.avi")
ConvertToYUY2(interlaced=true)

src = last 
src = src.width==720&&src.height==608?src.crop(0,32,0,0):src 
src = src.width>720 || src.height>608?src.ColorMatrix(mode="Rec.709->Rec.601"): src 
src = src.width!=720 || src.height!=576 ? src.IResize(720,576): src 
src = src.width==1920&&src.height==1088?src.crop(0,0,1920,1080): src


function IResize(clip Clip, int NewWidth, int NewHeight) {
Clip
SeparateFields()
Shift=(GetParity() ? -0.25 : 0.25) * (Height()/Float(NewHeight/2)-1.0)
E  = SelectEven().Spline36resize(NewWidth, NewHeight/2, 0,    Shift)
O  = SelectOdd( ).Spline36resize(NewWidth, NewHeight/2, 0,   -Shift)
Ec = SelectEven( ).Spline36resize(NewWidth, NewHeight/2, 0,  2*Shift)
Oc = SelectOdd( ).Spline36resize(NewWidth, NewHeight/2, 0, -2*shift)
Interleave(E, O)
IsYV12() ? MergeChroma(Interleave(Ec, Oc)) : Last 
Weave()
} 
AssumeTFF()
SeparateFields()
Ev=SelectEven().sharpen(0.20)
Od=SelectOdd().sharpen(0.20)
Interleave(Ev,Od)
Weave()
src.framerate<26 ? src:src.AssumeTFF().SeparateFields().SelectEvery(4,0,3).Weave() 
AssumeFPS(25)
ChangeFPS(25)

The script should do this:

source is input.avi

if source is 720x608 ---> crop(0,32,0,0) (to get a 720x576)
if source is 1920x1088 ---> crop(0,0,1920,1080) (to get a 1920x1080)
if resolution is > 720x608 ---> colormatrix from rec.709 to rec.601
if source is framerate > 25fps ---> apply the AssumeTFF().SeparateFields().SelectEvery(4,0,3).We ave() to get standard 25fpsInterlaced
if source is all but not a 720x576, resize to 720x576

How can I modify the script to have correct all this conditional? thanks

ps. seems missing a ")" in the colormatrix line but it's only this site that don't show it