dejo un codigo asi lo veremos todos.
Código:
si alguien puede hacer, que suba y baja o algo, que siga al rato seria mejor... consiguiendo... alguna empresa que pague por publicidad y permita un banner... asi mejoraria las cosas. <script language="JavaScript1.2"> var offsetfromedge=10 //offset from window edge when content is "docked". Change if desired. var dockarray=new Array() //array to cache dockit instances var dkclear=new Array() //array to cache corresponding clearinterval pointers function dockit(el, duration){ if (!document.all) return; this.source=document.all? document.all[el] : document.getElementById(el); this.source.height=this.source.offsetHeight; this.docheight=truebody().clientHeight; this.duration=duration; this.pagetop=0; this.elementoffset=this.getOffsetY(); dockarray[dockarray.length]=this; var pointer=eval(dockarray.length-1); var dynexpress='dkclear['+pointer+']=setInterval("dockornot(dockarray['+pointer+'])",100);'; dynexpress=(this.duration>0)? dynexpress+'setTimeout("clearInterval(dkclear['+pointer+']); dockarray['+pointer+'].source.style.top=0", duration*1000)' : dynexpress; eval(dynexpress); } dockit.prototype.getOffsetY=function(){ var totaloffset=parseInt(this.source.offsetTop); var parentEl=this.source.offsetParent; while (parentEl!=null){ totaloffset+=parentEl.offsetTop; parentEl=parentEl.offsetParent; } return totaloffset; } function dockornot(obj){ obj.pagetop=truebody().scrollTop; if (obj.pagetop>obj.elementoffset) //detect upper offset obj.source.style.top=obj.pagetop-obj.elementoffset+offsetfromedge; else if (obj.pagetop+obj.docheight<obj.elementoffset+parseInt(obj.source.height)) //lower offset obj.source.style.top=obj.pagetop+obj.docheight-obj.source.height-obj.elementoffset-offsetfromedge; else obj.source.style.top=0; } function truebody(){ return (document.compatMode!="BackCompat")? document.documentElement : document.body } if (document.all) document.write('<style>.dockclass{position:relative;}</style>') </script> <table width="250px" border="0" id="google_dock" class="dockclass"> <center> <script type="text/javascript"><!-- google_ad_client = "pub-------"; google_ad_width = 300; google_ad_height = 250; google_ad_format = "300x250_as"; google_color_border = "000000"; google_color_bg = "000000"; google_color_link = "FF0000"; google_color_url = "666666"; google_color_text = "FFFF00"; //--></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </center> </table>