function allungaHeight(divC,divL,divR)
{
  try{
	var centerCorpo = document.getElementById(divC).offsetHeight;
	var lineaLeftCorpo = document.getElementById(divL).offsetHeight;

	var browsername=navigator.appName;
	
	if(centerCorpo>lineaLeftCorpo)
	{
		var lineaLeft = document.getElementById(divL);
		var lineaRight = document.getElementById(divR);
		
		
		if (browsername.indexOf("Microsoft")!=-1) 
		{
			lineaLeft.style.height = centerCorpo-13+"px";
			lineaRight.style.height = centerCorpo-13+"px";
		}
		else
		{
			lineaLeft.style.height = centerCorpo+"px";
			lineaRight.style.height = centerCorpo+"px";
		}
	}
	}catch(e){}
}