function sizeImage(elementId){
    var setWidth = 510, setHeight = 620;
    var objImage = document.getElementById(elementId);
    var imgLoader = new Image();
    imgLoader.src = objImage.src;
    window.setTimeout('', 1000);
    imgLoader.onload = function(){
        //We have to scale the image to make sure it fits
        var iWidth = (imgLoader.width > setWidth) ? setWidth : imgLoader.width;
        var iScale = iWidth / imgLoader.width;
        var iHeight = imgLoader.height * iScale;
        if(iHeight > setHeight)
        {
            iHeight = setHeight;
            iScale = iHeight / imgLoader.height;
            iWidth = imgLoader.width * iScale;
        }
        objImage.width = iWidth;
        objImage.height = iHeight;  
    }
    objImage.style.visibility = "visible";
}