function getWindowData(n,i){ 
    var ifr=document.getElementById(i).contentWindow.document || document.getElementById(i).contentDocument; 
    var widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal; 
    if (typeof window.frames[n].innerWidth != 'undefined'){ 
        widthViewport= window.frames[n].innerWidth; 
        heightViewport= window.frames[n].innerHeight; 
    }else if(typeof ifr.documentElement != 'undefined' && typeof ifr.documentElement.clientWidth !='undefined' && ifr.documentElement.clientWidth != 0){ 
        widthViewport=ifr.documentElement.clientWidth; 
        heightViewport=ifr.documentElement.clientHeight; 
    }else{ 
        widthViewport= ifr.getElementsByTagName('body')[0].clientWidth; 
        heightViewport=ifr.getElementsByTagName('body')[0].clientHeight; 
    } 
    xScroll=window.frames[n].pageXOffset || (ifr.documentElement.scrollLeft+ifr.body.scrollLeft); 
    yScroll=window.frames[n].pageYOffset || (ifr.documentElement.scrollTop+ifr.body.scrollTop); 
    widthTotal=Math.max(ifr.documentElement.scrollWidth,ifr.body.scrollWidth,widthViewport); 
    heightTotal=Math.max(ifr.documentElement.scrollHeight,ifr.body.scrollHeight,heightViewport); 
    return [widthViewport,heightViewport,xScroll,yScroll,widthTotal,heightTotal]; 
}  
function resizeIframe(ID,NOMBRE){ 
document.getElementById(ID).height=null; 
//document.getElementById(ID).width=null; 
var m=getWindowData(NOMBRE,ID);  
document.getElementById(ID).height=m[5]; 
//document.getElementById(ID).width=m[4]+22; 
}