//all of the avalable property codes
var propCodes = new Array(44);
propCodes[0] = '';
propCodes[1] = 'aca';
propCodes[2] = 'alg';
propCodes[3] = 'bsh';
propCodes[4] = 'chi';
propCodes[5] = 'clh';
propCodes[6] = 'cll';
propCodes[7] = 'cmt';
propCodes[8] = 'cop';
propCodes[9] = 'cwr';
propCodes[10] = 'dal';
propCodes[11] = 'dbi';
propCodes[12] = 'emp';
propCodes[13] = 'fva';
propCodes[14] = 'gby';
propCodes[15] = 'ham';
propCodes[16] = 'hnf';
propCodes[17] = 'hvc';
propCodes[18] = 'jpl';
propCodes[19] = 'kea';
propCodes[20] = 'knk';
propCodes[21] = 'ksc';
propCodes[22] = 'lcf';
propCodes[23] = 'lcm';
propCodes[24] = 'lmr';
propCodes[25] = 'lom';
propCodes[26] = 'mac';
propCodes[27] = 'mir';
propCodes[28] = 'nor';
propCodes[29] = 'orc';
propCodes[30] = 'pal';
propCodes[31] = 'plz';
propCodes[32] = 'pmq';
propCodes[33] = 'qeh';
propCodes[34] = 'rpv';
propCodes[35] = 'ryh';
propCodes[36] = 'saf';
propCodes[37] = 'saj';
propCodes[38] = 'scp';
propCodes[39] = 'shp';
propCodes[40] = 'smi';
propCodes[41] = 'wdc';
propCodes[42] = 'wfc';
propCodes[43] = 'tir';
propCodes[44] = 'sea';

//returns an integer random number between two boundaries (inclusive of the boudaries)
function getRandomNumber(lowerbound, upperbound) {
	return Math.floor((upperbound - lowerbound + 1)	* Math.random(new Date().getSeconds()) + lowerbound);
}
//property code to use for the popup
var propCode = '';

function setHomeImage() { 

var homeBannerImage = '';
var ua = navigator.userAgent.toLowerCase();

	//select a random property
	propCode = propCodes[getRandomNumber(1,44)];	
	
	//get browser safe references
	if ( (ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1) ) {
		homeBannerImage = document.all['homeBanner'];
	} else if (document.anchors  && document.images) {
		homeBannerImage = document.images['homeBanner'];
	} else {
		homeBannerImage = document.getElementById('homeBanner');
	}
	//set the home header banner source
	homeBannerImage.src='images/index_hdr/'+propCode+'_home_landing.jpg';
}



setHomeImage();