function AddGuide(inPixelPos, flVert)

{

	try

	{

		var GuideDesc = new ActionDescriptor();

		GuideDesc.putUnitDouble(charIDToTypeID("Pstn"), charIDToTypeID("#Pxl"), inPixelPos);

		var OrntID = charIDToTypeID("Ornt");

		var VerticalID = charIDToTypeID("Vrtc");

		var HorizontalID = charIDToTypeID("Hrzn");

		GuideDesc.putEnumerated(OrntID, OrntID, (flVert) ? VerticalID : HorizontalID);

		var desc = new ActionDescriptor();

		desc.putObject(charIDToTypeID("Nw  "), charIDToTypeID("Gd  "), GuideDesc);

		executeAction(charIDToTypeID("Mk  "), desc, DialogModes.NO);

	}

	catch (e){}

}



var docCount = documents.length

if(docCount == 0)

	alert("No documents are open! Bad, bad Brichmula…")

app.bringToFront();



var prevUnits = app.preferences.rulerUnits;

app.preferences.rulerUnits = Units.PIXELS;



var stWidth = new String(app.activeDocument.width);

var inWidth = parseInt(stWidth.replace('px',''));



var stHeight = new String(stHeight = app.activeDocument.height);

var inHeight = parseInt(stHeight.replace('px',''));



var wx = ((-Math.sqrt(5) + 3) * inWidth) / 2;

var hx = ((-Math.sqrt(5) + 3) * inHeight) / 2;



AddGuide(wx, true);

AddGuide((inWidth - wx), true);

AddGuide(hx, false);

AddGuide((inHeight - hx), false);

app.preferences.rulerUnits = prevUnits;