function somenteNumeros(input){
   if((event.keyCode < 48) || (event.keyCode > 57))
      event.returnValue = false;
}
function Show(obj){
   obj.style.visibility = 'visible';
   obj.style.display = 'inline';
}
function Hide(obj){
   obj.style.visibility = 'hidden';
   obj.style.display = 'none';
}
function span_muda(element){
   document.all[element].style.color = "#FF9900";
}
function span_retorna(element){
   document.all[element].style.color = "";
}
function scrolTop(){
   window.parent.scrollTo(0, 0);
}
function adjustLay(matrix, ajustar, add){
   objeto = document.all[ajustar];
   var objRef = document.getElementById(matrix);
   var refX = objRef.offsetLeft;        
   aux = objRef.offsetParent;
   while(aux){
      refX += aux.offsetLeft;        
      aux = aux.offsetParent;
   }
   objeto.style.left = refX + add;
}