function banner(imgSource,url,alt,chance,nombre) {
this.imgSource = imgSource;
this.url = url;
this.alt = alt; 
this.chance = chance;
this.nombre = nombre;
}

function dispBanner() {
with (this) document.write("<A HREF=" + url + "><IMG SRC='" + imgSource + "' WIDTH=152 HEIGHT=400 BORDER=0 ALT='" + alt +     "'></A>");
} 
banner.prototype.dispBanner = dispBanner;
banners = new Array();

banners[0] = new banner("http://www.gayecuador.com/banners/azul.jpg","http://www.gayecuador.com/azul target='_blank'","Sauna azul",10,'azul');
//banners[1] = new banner("http://www.gayecuador.com/banners/apolo.jpg","http://www.gayecuador.com/apolo target='_blank'","Sauna Apolo",10,'apolo');
banners[1] = new banner("http://www.gayecuador.com/banners/vulcano.jpg","http://www.gayecuador.com/vulcano target='_blank'","Discoteca Vulcano",10,'vulcano');
banners[2] = new banner("http://www.gayecuador.com/banners/prevencion.jpg","http://www.gayecuador.com/hiv target='_blank'","Hiv Sida",10,'prevencion');
banners[3] = new banner("http://www.gayecuador.com/banners/jinetes.jpg","http://www.gayecuador.com/jinetes='_blank'","Sauna Jinetes",10,'jinetes');
banners[4] = new banner("http://www.gayecuador.com/banners/atlantis.jpg","http://www.clubatlantisquito.com='_blank'","Club Atlantis",10,'atlantis');
sum_of_all_chances = 0; 
banners[5] = new banner("http://www.gayecuador.com/banners/ibiza.jpg","http://www.gayecuador.com='_blank'","Ibiza",10,'ibiza');
sum_of_all_chances = 0; 
banners[6] = new banner("http://www.gayecuador.com/banners/queer.jpg","http://www.gayecuador.com='_blank'","Queer",10,'queer');
sum_of_all_chances = 0; 
banners[7] = new banner("http://www.gayecuador.com/banners/clubretro.jpg","http://www.gayecuador.com='_blank'","Club Retro",10,'clubretro');
sum_of_all_chances = 0; 


for (i = 0; i < banners.length; i++) {sum_of_all_chances += banners[i].chance;}

function inicializa(){} 

function mostrarBanner() { 
chance_limit = 0;
randomly_selected_chance = Math.round((sum_of_all_chances - 1) * Math.random());
for (i = 0; i < banners.length; i++) {
chance_limit += banners[i].chance;
if (randomly_selected_chance <= chance_limit) {

document.write("<body><table width='152' height='400' border='0' cellpadding='0' cellspacing='0' background='"+banners[i].imgSource +"'><tr><td height='299' align='center' valign='bottom'><div class='style1' id='responseContainer'></div><div id='responseContainer2'></div><div id='responseContainer3'></div><div id='responseContainer4'></div><div id='responseContainer5'></div><div id='responseContainer6'></div></td> </tr></table></body>")

return banners[i].nombre;
break;
}}}