prontera,155,181,5	script	Sample	757,{
function Exchange;

switch( select( "Yggdrasilberry",
				"Royal Jelly",
				"etc..." )){
// Exchange( <Item Gained>,<Amount>,<Item Required>,<Amount> );
Case 1:	Exchange( 13517,1,607,100 );	break;
Case 2:	Exchange( 13516,5,526,50 );	break;
Case 3:	Exchange( 12997,10,757,10 );	break;
default:
	mes "Wrong Selection";	break;
}
close;

function	Exchange	{
mes "Exchange "+getarg(3)+" "+getitemname( getarg(2) )+" into "+getarg(1)+" "+getitemname( getarg(0) )+"?";
if( select("Yes:No") == 1 ){
	if( countitem( getarg(2) ) < getarg(3) ){
		mes "Sorry you didnt have enough Items to trade.";
		break;
	}else{
		mes "Done";
		delitem getarg(2),getarg(3);
		getitem getarg(0),getarg(1);
	}
}
return;
}

}