// JavaScript Document
function getWindowData(){
    var widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal;
    if (typeof window.innerWidth != 'undefined'){
        widthViewport= window.innerWidth-17;
        heightViewport= window.innerHeight-17;
    }else if(typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth !='undefined' && document.documentElement.clientWidth != 0){
        widthViewport=document.documentElement.clientWidth;
        heightViewport=document.documentElement.clientHeight;
    }else{
        widthViewport= document.getElementsByTagName('body')[0].clientWidth;
        heightViewport=document.getElementsByTagName('body')[0].clientHeight;
    }
    xScroll=self.pageXOffset || (document.documentElement.scrollLeft+document.body.scrollLeft);
    yScroll=self.pageYOffset || (document.documentElement.scrollTop+document.body.scrollTop);
    widthTotal=Math.max(document.documentElement.scrollWidth,document.body.scrollWidth,widthViewport);
    heightTotal=Math.max(document.documentElement.scrollHeight,document.body.scrollHeight,heightViewport);
    return [widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal];
}
var wActual;
function $(id){return document.getElementById(id);}
function  compensar(a,b,c){
var h=Math.max($(a).offsetHeight,$(b).offsetHeight,$(c).offsetHeight);
$(a).style.height=$(b).style.height=$(c).style.height=h+'px';
}
window.onload=function(){compensar('izquierda','derecha','centro');wActual=getWindowData();}
window.onresize=function(){if(!wActual || wActual[0]==getWindowData()[0])return;window.location.href =  window.location.href;}