//this function is to show a popup window
// it takes three arguments :
// src - the path of the image that should be shown
// width - the width of the window, should be ideally equal to the width of the image so that the image fits nicely
// height - the height of the window, should be ideally a bit(17px acc. to current style) bigger than image height so that the
// close button is visible
var objWin, HTMLtxt;
function popup (src, width, height)
{
if(objWin)
objWin.close();
objWin = window.open("", "popup", 'width=' + width + ', height=' + (height + 33) + ', resizable=no');
HTMLtxt = "PBC Art Gallery";
HTMLtxt = HTMLtxt + ""
HTMLtxt = HTMLtxt + "";
HTMLtxt = HTMLtxt + "