function addLoadEvent(func)
{
    var oldonload = window.onload;
    if (typeof window.onload != 'function')
    {
        window.onload = func;
    }
    else
    {
        window.onload = function()
        {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}


/*
var browserHeight = 0;
var browserWidth = 0;
var contentHeight = 617;
var topHeight;

function getBrowserSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  
  browserWidth = myWidth;
  browserHeight = myHeight;
}

function regolaMargineGet() {
    getBrowserSize();
    regolaMargine();
}

function regolaMargine() {
    topHeight = 0;
    if( browserHeight > contentHeight ) {
        var diff = browserHeight - contentHeight;
        var topHeight = Math.floor(diff / 2);
    }   
    var boxBordo = document.getElementById('bordo-alto');
    if( boxBordo ) { boxBordo.style.height = topHeight + 'px'; }
}

addLoadEvent(regolaMargineGet);*/