//array of 2009 base pay rates
	var basePay = new Array();
	basePay[0] = new makeArray(17540,18126,18709,19290,19873,20216,20792,21373,21396,21944); 
	basePay[1] = new makeArray(19721,20190,20842,21396,21635,22271,22907,23543,24179,24815);
	basePay[2] = new makeArray(21517,22234,22951,23668,24385,25102,25819,26536,27253,27970);
	basePay[3] = new makeArray(24156,24961,25766,26571,27376,28181,28986,29791,30596,31401);
	basePay[4] = new makeArray(27026,27927,28828,29729,30630,31531,32432,33333,34234,35135);
	basePay[5] = new makeArray(30125,31129,32133,33137,34141,35145,36149,37153,38157,39161);
	basePay[6] = new makeArray(33477,34593,35709,36825,37941,39057,40173,41289,42405,43521);
	basePay[7] = new makeArray(37075,38311,39547,40783,42019,43255,44491,45727,46963,48199);
	basePay[8] = new makeArray(40949,42314,43679,45044,46409,47774,49139,50504,51869,53234);
	basePay[9] = new makeArray(45095,46598,48101,49604,51107,52610,54113,55616,57119,58622);
	basePay[10] = new makeArray(49544,51195,52846,54497,56148,57799,59450,61101,62752,64403);
	basePay[11] = new makeArray(59383,61362,63341,65320,67299,69278,71257,73236,75215,77194);
	basePay[12] = new makeArray(70615,72969,75323,77677,80031,82385,84739,87093,89447,91801);
	basePay[13] = new makeArray(83445,86227,89009,91791,94573,97355,100137,102919,105701,108483);
	basePay[14] = new makeArray(98156,101428,104700,107972,111244,114516,117788,121060,124332,127604);
	
	var locality = new Array(); //array to hold locality percentages
	locality[0] = .1855; //atlanta
	locality[1] = .2398; //boston
    locality[2] = .1639; //buffalo
    locality[3] = .2447; //chicago
    locality[4] = .1828; //cincinnati
	locality[5] = .1816; //cleveland
    locality[6] = .1662; //columbus
    locality[7] = .1995; //dallas
    locality[8] = .1590; //dayton
    locality[9] = .2203; //denver
    locality[10] = .2356; //detroit
	locality[11] = .2508; //hartford
	locality[12] = .2828; //houston
    locality[13] = .1546; //huntsville
    locality[14] = .1423; //indianapolis
    locality[15] = .2651; //la
    locality[16] = .2021; //miami
    locality[17] = .1765; //milwaukee
    locality[18] = .2036; //minneapolis
    locality[19] = .2796; //NY
    locality[20] = .2125; //Philadelphia
    locality[21] = .1608; //phoenix
    locality[22] = .1586; //pittsburgh
	locality[23] = .1971; //portland
    locality[24] = .1738; //raleigh
    locality[25] = .1386; //rest of US
    locality[26] = .1610; //richmond
    locality[27] = .2153; //sacramento
    locality[28] = .2344; //san diego
	locality[29] = .3435; //san francisco
    locality[30] = .2106; //seattle
    locality[31] = .2310; //DC
	
	
	//base pay and locality rates for previous year; used for computing total percentage increase
	var basePayPrevious = new Array();
	basePayPrevious[0] = new makeArray(17046,17615,18182,18746,19313,19646,20206,20771,20793,21324); 
	basePayPrevious[1] = new makeArray(19165,19621,20255,20793,21025,21643,22261,22879,23497,24115);
	basePayPrevious[2] = new makeArray(20911,21608,22305,23002,23699,24396,25093,25790,26487,27184);
	basePayPrevious[3] = new makeArray(23475,24258,25041,25824,26607,27390,28173,28956,29739,30522);
	basePayPrevious[4] = new makeArray(26264,27139,28014,28889,29764,30639,31514,32389,33264,34139);
	basePayPrevious[5] = new makeArray(29276,30252,31228,32204,33180,34156,35132,36108,37084,38060);
	basePayPrevious[6] = new makeArray(32534,33618,34702,35786,36870,37954,39038,40122,41206,42290);
	basePayPrevious[7] = new makeArray(36030,37231,38432,39633,40834,42035,43236,44437,45638,46839);
	basePayPrevious[8] = new makeArray(39795,41122,42449,43776,45103,46430,47757,49084,50411,51738);
	basePayPrevious[9] = new makeArray(43824,45285,46746,48207,49668,51129,52590,54051,55512,56973);
	basePayPrevious[10] = new makeArray(48148,49753,51358,52963,54568,56173,57778,59383,60988,62593);
	basePayPrevious[11] = new makeArray(57709,59633,61557,63481,65405,67329,69253,71177,73101,75025);
	basePayPrevious[12] = new makeArray(68625,70913,73201,75489,77777,80065,82353,84641,86929,89217);
	basePayPrevious[13] = new makeArray(81093,83796,86499,89202,91905,94608,97311,100014,102717,105420);
	basePayPrevious[14] = new makeArray(95390,98570,101750,104930,108110,111290,114470,117650,120830,124010);
	
	var localityPrevious = new Array(); //array to hold locality percentages
	localityPrevious[0] = .1730; //atlanta
	localityPrevious[1] = .2251; //boston
    localityPrevious[2] = .1537; //buffalo
    localityPrevious[3] = .2316; //chicago
    localityPrevious[4] = .1777; //cincinnati
	localityPrevious[5] = .1711; //cleveland
    localityPrevious[6] = .1580; //columbus
    localityPrevious[7] = .1874; //dallas
    localityPrevious[8] = .1526; //dayton
    localityPrevious[9] = .2103; //denver
    localityPrevious[10] = .2253; //detroit
	localityPrevious[11] = .2397; //hartford
	localityPrevious[12] = .2739; //houston
    localityPrevious[13] = .1423; //huntsville
    localityPrevious[14] = .1351; //indianapolis
    localityPrevious[15] = .2526; //la
    localityPrevious[16] = .1911; //miami
    localityPrevious[17] = .1673; //milwaukee
    localityPrevious[18] = .1943; //minneapolis
    localityPrevious[19] = .2636; //NY
    localityPrevious[20] = .2014; //Philadelphia
    localityPrevious[21] = .1474; //phoenix
    localityPrevious[22] = .1493; //pittsburgh
	localityPrevious[23] = .1872; //portland
    localityPrevious[24] = .1682; //raleigh
    localityPrevious[25] = .1318; //rest of US
    localityPrevious[26] = .1540; //richmond
    localityPrevious[27] = .2025; //sacramento
    localityPrevious[28] = .2200; //san diego
	localityPrevious[29] = .3253; //san francisco
    localityPrevious[30] = .1975; //seattle
    localityPrevious[31] = .2089; //DC
	
	
	
	function getResult(city){ //calculate the pay increase in this function
            var base = basePay[document.payform.elements['gradeID'].selectedIndex][document.payform.elements['stepID'].selectedIndex];
			document.payform.elements['basepay'].value = base; //output basepay to form
			
			var localityindex = document.getElementById("regionID").value; //get locality percentage as array index
			
			total = Math.round(base + (locality[localityindex] * base)); //take total from previoius calculation and increase by the locality percentage chosen
              if (total >= 153200)total=153200; //pay cap
            document.payform.elements['new2007'].value = total; //output to text field
			
			//calculate hourly rate off of the total
			hourly = Math.round((total/2087)*100)/100; //round to 2 decimal places
			document.payform.elements['hourly'].value = hourly; //output hourly to text field
			
			
			//calculate previous year's pay here
			//calculate previous year's base
			var basePrevious = basePayPrevious[document.payform.elements['gradeID'].selectedIndex][document.payform.elements['stepID'].selectedIndex];
			totalPrevious = Math.round(basePrevious + (localityPrevious[localityindex] * basePrevious));
			
			//now calculate the percentage increase from 2007 to 2008 total annual pay rates
			percentIncrease = (((total - totalPrevious) / totalPrevious) * 100); //calculate initial figure
			percentIncrease = Math.round(percentIncrease * 100) / 100; //round to 2 decimal places
			percentIncrease = percentIncrease + '%';
			document.payform.elements['percentIncrease'].value = percentIncrease;
			
						
        }
                    
        function makeArray(){
            for (var count = 0; count < makeArray.arguments.length; count++){
                this[count] = makeArray.arguments[count];
            }
        }
		
	function clearFields() {
		document.payform.new2007.value='';
		document.payform.basepay.value='';
		document.payform.hourly.value='';
		document.payform.percentIncrease.value='';
	}