var arrRandSideAdImages = new Array(4);
var iSideAdLen = arrRandSideAdImages.length;

var iRndSideAdImg1 = Math.floor(Math.random() * (iSideAdLen));
var iRndSideAdImg2 = Math.floor(Math.random() * (iSideAdLen));

arrRandSideAdImages[0] = 'i502_5.jpg';
arrRandSideAdImages[1] = 'i518_5.jpg';
arrRandSideAdImages[2] = 'i507_5.jpg';
arrRandSideAdImages[3] = 'i520_5.jpg';

if (iRndSideAdImg2 == iRndSideAdImg1) 
{
	while (iRndSideAdImg1 == iRndSideAdImg2)
	{
		iRndSideAdImg1 = Math.floor(Math.random() * (iSideAdLen));
	}
}

function showSideAdImages(strPrg, strSID) {
	document.write('<a href="product.asp?program_nbr=' + strPrg.toString() + '&mscssid=' + strSID.toString() + '&pf_id=' + strPrg.toString() + arrRandSideAdImages[iRndSideAdImg1].substring(0,arrRandSideAdImages[iRndSideAdImg1].indexOf('_')).toUpperCase() + '">');
	document.write('<img src="../assets/product_images/' + strPrg.toString() + '/' + arrRandSideAdImages[iRndSideAdImg1] + '" border="0">');
	document.write('</a><br>');
	document.write('<a href="product.asp?program_nbr=' + strPrg.toString() + '&mscssid=' + strSID.toString() + '&pf_id=' + strPrg.toString() + arrRandSideAdImages[iRndSideAdImg2].substring(0,arrRandSideAdImages[iRndSideAdImg2].indexOf('_')).toUpperCase() + '">');
	document.write('<img src="../assets/product_images/' + strPrg.toString() + '/' + arrRandSideAdImages[iRndSideAdImg2] + '" border="0">');
	document.write('</a><br>');
}