// JavaScript Document
window.onload = function()
{
	//Aspecto aleatorio
	var colum2 = document.getElementById('header');
	if(colum2)
	{
		var rand = Math.floor( Math.random ( ) * 3 + 1 );
		colum2.style.backgroundImage = 'url(../images/background-header-'+rand+'.jpg)';
	}
}