function openScreen(img, width, height) {
var w0;
var fWidth = parseInt(width) + 20;
var fHeight = parseInt(height) + 30;
w0 = window.open("", "enLarge", "toolbar=no, location=no, directories=no, top=50, left=180, width="+fWidth+", height="+fHeight+"");
w0.document.open();
w0.document.write("enLarge");
w0.document.write("![]("+img+")
");
w0.document.write("");
}