/* rotar_banners.js compiled from X 4.01 with XC 0.29b. Distributed under GNU LGPL. For copyrights, license, documentation and more visit Cross-Browser.com */
var xOp7Up,xOp6Dn,xIE4Up,xIE4,xIE5,xNN4,xUA=navigator.userAgent.toLowerCase();if(window.opera){var i=xUA.indexOf('opera');if(i!=-1){var v=parseInt(xUA.charAt(i+6));xOp7Up=v>=7;xOp6Dn=v<7;}}else if(navigator.vendor!='KDE' && document.all && xUA.indexOf('msie')!=-1){xIE4Up=parseFloat(navigator.appVersion)>=4;xIE4=xUA.indexOf('msie 4')!=-1;xIE5=xUA.indexOf('msie 5')!=-1;}else if(document.layers){xNN4=true;}xMac=xUA.indexOf('mac')!=-1;function xDef(){for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])=='undefined') return false;}return true;}function xDisplay(e,s){if(!(e=xGetElementById(e))) return null;if(e.style && xDef(e.style.display)) {if (xStr(s)) e.style.display = s;return e.style.display;}return null;}function xGetElementById(e){if(typeof(e)=='string') {if(document.getElementById) e=document.getElementById(e);else if(document.all) e=document.all[e];else e=null;}return e;}function xHide(e){return xVisibility(e,0);}function xShow(e) {return xVisibility(e,1);}function xStr(s){for(var i=0; i<arguments.length; ++i){if(typeof(arguments[i])!='string') return false;}return true;}function xVisibility(e, bShow){if(!(e=xGetElementById(e))) return null;if(e.style && xDef(e.style.visibility)) {if (xDef(bShow)) e.style.visibility = bShow ? 'visible' : 'hidden';return e.style.visibility;}return null;}


var banners = new Array(4);
banners[0] = "boton1";
banners[1] = "boton2";
banners[2] = "boton3";
banners[3] = "boton4";

//i_banner siempre uno menos que la array declarada
var i_banner = 3;

function rotar_banner(){
	xDisplay(banners[i_banner], 'none') 
	xHide(banners[i_banner]);
	i_banner ++;
	i_banner = i_banner % banners.length;
	xShow(banners[i_banner]);
	xDisplay(banners[i_banner], 'block') 
	setTimeout("rotar_banner()",5000);
}