function show(imgSrc,winName,imgW,imgH,margin) {
winWidth=imgW+margin*2;
winHeight=imgH+margin*2;
winSrc="" + winName + "";
newWin=window.open("",Math.floor(Math.random()*100),"width="+winWidth+",height="+winHeight+",resizable=no,menubar=no,locationbar=no,scrollbars=auto");
newWin.document.write(winSrc);
}