function iframeAutoHeight(quem){
    if(navigator.appName.indexOf("Internet Explorer")>-1){ //IE
        var func_temp = function(){
            var val_temp = quem.contentWindow.document.body.scrollHeight + 15
            quem.style.height = val_temp + "px";
        }
        setTimeout(function() { func_temp() },100) //IE
    }else{
        var val = quem.contentWindow.document.body.parentNode.offsetHeight + 15
        quem.style.height= val + "px";
    }    
}