function imgrandom(){
var myimages=new Array()
myimages[1]="../img/banner1.jpg"
myimages[2]="../img/banner2.jpg"
myimages[3]="../img/banner3.jpg"
myimages[4]="../img/banner4.jpg"
myimages[5]="../img/banner5.jpg"
myimages[6]="../img/banner6.jpg"
myimages[7]="../img/banner7.jpg"
myimages[8]="../img/banner8.jpg"
myimages[9]="../img/banner9.jpg"
myimages[10]="../img/banner10.jpg"
myimages[11]="../img/banner11.jpg"
myimages[12]="../img/banner12.jpg"
myimages[13]="../img/banner13.jpg"
myimages[14]="../img/banner14.jpg"
myimages[15]="../img/banner15.jpg"
myimages[16]="../img/banner16.jpg"
myimages[17]="../img/banner20.jpg"

var imagelinks=new Array()
imagelinks[1]="../pages/riv_001.php"
imagelinks[2]="../pages/riv_002.php"
imagelinks[3]="../pages/riv_003.php"
imagelinks[4]="../pages/riv_004.php"
imagelinks[5]="../pages/riv_005.php"
imagelinks[6]="../pages/riv_006.php"
imagelinks[7]="../pages/riv_007.php"
imagelinks[8]="../pages/riv_008.php"
imagelinks[9]="../pages/riv_009.php"
imagelinks[10]="../pages/riv_010.php"
imagelinks[11]="../pages/riv_011.php"
imagelinks[12]="../pages/riv_012.php"
imagelinks[13]="../pages/riv_013.php"
imagelinks[14]="../pages/riv_014.php"
imagelinks[15]="../pages/riv_015.php"
imagelinks[16]="../pages/riv_016.php"
imagelinks[17]="../pages/riv_020.php"

var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0></a>')
}
imgrandom()