/// サムネイルから本画像を開く
function openMain(width, height, img)
{
    var url = "/miniwindow.html";
    var win = window.open(url,"popupimage","width="+width*1.15+",height="+height*1.15+",status=1,scrollbars=1,resizable=1,");
    var src = img.src.replace("thumbnail/", "");
    
    if (Prototype.Browser.IE){
        setTimeout(function(){
            win.document.getElementById("popupimage").src= src;
        }, 1000);
    } else {
        win.onload = setTimeout(function(){
            win.document.getElementById("popupimage").src= src;
        }, 1000);
    }
}