function resizeText(multiplier)
{
    if (document.body.style.fontSize == "") 
    {
        document.body.style.fontSize = "1.0em";
    }  
document.body.style.fontSize = parseFloat(document.body.style.fontSize) + (multiplier * 0.2) + "em";
}

//pop up window
var newwindow;
function enlargeImage(url) {
    newwindow = window.open(url, 'name', 'height=460,width=580');
    if (window.focus) { newwindow.focus() }
}