function buildGuides(columnWidth,gutterWidth,count,subdivisions)
{
		var pixelsPerInch = 72;
		var inchScale = pixelsPerInch;
		var cmScale = inchScale / 2.54;
		var mmScale = cmScale / 10;
		
		var phi = 1.61803399;
		
		//var selectOuterGutters = dlg.optionsPanel.selectOuterGutters.value;1.61803399
		
		var rowHeight = columnWidth / phi;
		
		var gutterHeight = gutterWidth;
		
		var width = (columnWidth*count)+(gutterWidth*(count-1));
		var height = (rowHeight*count)+(gutterHeight*(count-1));
		
		width = width + (gutterWidth * 2);
		height = height + (gutterHeight * 2);
		
		//width=parseInt(width);
		//height=parseInt(height);
		
		var numberOfGuides=((count*2)-2) + (count*subdivisions);
		var numberOfRowGuides=(count*2)-2;
		
		numberOfGuides=numberOfGuides + 2;
		numberOfRowGuides=numberOfRowGuides + 2;
		
		var guides = new Array();
		var rowGuides = new Array();
		
		rowGuides[0]=gutterHeight;
		rowGuides[1]=rowHeight;
		
		guides[0]=gutterWidth;
			
		for(i=0;i<subdivisions+1;i++)
		{
			guides[i+1]=columnWidth/(subdivisions+1);
		}

		var sum = 0;
		var rowSum = 0;
		
		/*
		 * Calculate the sum of values in the config string
		 */
		for (i=0;i<guides.length;i++)
		{
			guides[i]=guides[i]*1;
			
			if (isNaN(guides[i]))
			{
				alert('Invalid Vertical Config');
				return 0;
			}
			sum=sum+guides[i];
		}
		
		var repeats = (width - guides[0])/sum;

		for (i=0;i<rowGuides.length;i++)
		{
			rowGuides[i]=rowGuides[i]*1;
			
			if (isNaN(rowGuides[i]))
			{
				alert('Invalid Vertical Config');
				return 0;
			}
			rowSum=rowSum+rowGuides[i];
		}
		
		var repeats = (width - guides[0])/sum;
		var rowRepeats = (height - rowGuides[0])/rowSum;

		/*
		 * Create the document based on calculated results, fill with white.
		 */ 		
	 
		var scale=1;
		 
		preferences.rulerUnits = Units.PIXELS;
		scale=1;

		var doc = app.documents.add(width,height,pixelsPerInch,"Gridmaker Document",NewDocumentMode.RGB,DocumentFill.WHITE,1.0);
		
		/*
		 * Place vertical guides
		 */
		for (i=0; i<repeats;i++)
		{
			var x = i*sum;
			
			var y = 0;
		
			for(j=0;j<guides.length;j++)
			{
				makeGuide(parseInt((x+y+guides[j])*scale),"Vrtc");
				y+=guides[j];
			}
		}
		
		makeGuide(0,"Vrtc");		
		makeGuide(parseInt(width*scale),"Vrtc");
}

/**
 * makeGuide function originally found at:
 * http://blogs.adobe.com/crawlspace/2006/05/installing_and_1.html
 */

function makeGuide(pixelOffSet, orientation) {
    var id8 = charIDToTypeID( "Mk  " );
    var desc4 = new ActionDescriptor();
    var id9 = charIDToTypeID( "Nw  " );
    var desc5 = new ActionDescriptor();
    var id10 = charIDToTypeID( "Pstn" );
    var id11 = charIDToTypeID( "#Rlt" );
    desc5.putUnitDouble( id10, id11, pixelOffSet); // integer
    var id12 = charIDToTypeID( "Ornt" );
    var id13 = charIDToTypeID( "Ornt" );
    var id14 = charIDToTypeID( orientation ); // "Vrtc", "Hrzn"
    desc5.putEnumerated( id12, id13, id14 );
    var id15 = charIDToTypeID( "Gd  " );
    desc4.putObject( id9, id15, desc5 );
  	executeAction( id8, desc4, DialogModes.NO );
}