function showBig(product,windowClose,imgWidth){
productpreview = window.open("","", "width="+imgWidth+", height=578 resizable=No");
productpreview.document.write("
");
}
function showBig2(product,windowClose,imgWidth,imgHeight){
productpreview = window.open("","", "width="+imgWidth+", height="+imgHeight+" resizable=No");
productpreview.document.write("");
}