function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}


function keepM(){
if (document.body.scrollTop <= 144){
	document.getElementById('floatdiv').style.position = 'relative';
	document.getElementById('floatdivCellConteiner').vAlign = "top";
}else if(document.body.scrollTop > document.body.offsetHeight-document.getElementById('floatdiv').offsetHeight-document.getElementById('barraPatrocinios').offsetHeight-document.getElementById('barraCopiright').offsetHeight-50){
	document.getElementById('floatdiv').style.position = 'relative';
	document.getElementById('floatdivCellConteiner').vAlign = "bottom";
}else{
	document.getElementById('floatdiv').style.left = document.getElementById('floatdivRefPosition').style.left;
	document.getElementById('floatdiv').style.position = 'fixed';
}
setTimeout('keepM()',0);
}

addEvent(window,'load',keepM);