Autohotkey random text spammer

SpamScript.ahk

Rand( a=0.0, b=1 ) {
IfEqual,a,,Random,,% r := b = 1 ? Rand(0,0xFFFFFFFF) : b
Else Random,r,a,b
Return r
}
Loop {
if GetKeyState("Capslock", "T")=false{
Random, charvar, 97, 122
Send % Chr(charvar)
if Rand()>0.9{
Sleep, 10
Send, {ENTER}
}
}
}