Applescript to change color of path items with specific swatch from swatch group, multiple times

Question

I am attempting to take a path item that is on its own layer and change its color multiple times, saving it each time.
I was able to do it with javascript however can't get it to work in applescript.
Javascript:
(Items are already selected that I intend to change.)
var iL = app.activeDocument.pathItems.length;
var colorSwatches = app.activeDocument.swatchGroups.getByName('newColors');
var allColors = colorSwatches.getAllSwatches();
var colorNames = Array();
for (var i = 0; i < allColors.length; i++){
    colorNames.push(allColors[i].name);
for (x = 0; x<colorNames.length; x++)
        var currentColor = allColors[x].name;
        for (i=0; i<iL; i++)
            var myItem = app.activeDocument.pathItems[i];
            if(myItem.selected)
                myItem.fillColor = app.activeDocument.swatches.getByName(currentColor).color;
(I then go on to save each one)
When trying to cross over into applescript I have the following so far:
               set iL to count every path item of document 1
               set colorSwatches to swatchgroup "newColors" of current document
               set allColors to get all swatches colorSwatches
               set swatchCount to count every item in allColors
               repeat with i from 1 to swatchCount
                    set currentSwatch to item i of allColors
                    repeat with x from 1 to iL
                        set myItem to path item i of document 1
               here is where I have no idea what I am doing... I can't figure out how to test if an item is selected
                        if myItem's has selected artwork is equal to true then
                            set fill color of myItem to {swatch:currentSwatch}
                        end if
                    end repeat
               end repeat
Or better yet is there a way I can select every path item of a layer and change its color that way?
Something like the following:
          set fill color of every path item of layer "art" of document 1 to {swatch:currentSwatch}
Thanks for any input!

Answer 1

I'm throwing it into a Applescript OBJc project I am working with. I currently have it in a javascript file within the actual project however this is the slowest part of my project and I'm going to attempt to speed it up some.
Let's say I'm changing the color of a path item 35 times... this starts to eat a ton of time up.
My applescript save illustrator file as jpeg is much faster than the javascript one for some reason...
It's also something I have needed to do numerous times in the past and never got around to asking.