function popup(img)
    {
       xposition=50; yposition=50;
       width=300
       height=300
       if ((parseInt(navigator.appVersion) >= 4 )){
           xposition = (screen.width - width) / 2;
           yposition = (screen.height - height) / 2;
       }

       args = "width=" + width + ","
       + "height=" + height + ","
       + "location=0,"
       + "menubar=0,"
       + "resizable=0,"
       + "scrollbars=no,"
       + "status=0,"
       + "titlebar=0,"
       + "toolbar=0,"
       + "hotkeys=0,"
       + "screenx=" + xposition + ","  //NN Only
       + "screeny=" + yposition + ","  //NN Only
       + "left=" + xposition + ","     //IE Only
       + "top=" + yposition;           //IE Only

   ww = window.open('/openpopup.php?action=grow&img='+img,'vtk', args);

   }

   function openPictureWindow(imageType,imageName,imageWidth,imageHeight,alt,posLeft,posTop) {  // v4.01
	newWindow = window.open("","newWindow","width="+imageWidth+",height="+imageHeight+",scrollbars=no,left="+posLeft+",top="+posTop);
	newWindow.document.open();
	newWindow.document.write('<html><title>'+alt+'</title><body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">');
	if (imageType == "swf"){
	newWindow.document.write('<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('<param name=movie value=\"'+imageName+'\"><param name=quality value=high>');
	newWindow.document.write('<embed src=\"'+imageName+'\" quality=high pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"application/x-shockwave-flash\" width=\"'+imageWidth+'\" height=\"'+imageHeight+'\">');
	newWindow.document.write('</embed></object>');	}else{
	newWindow.document.write('<img src=\"'+imageName+'\" width='+imageWidth+' height='+imageHeight+' alt=\"'+alt+'\">'); 	}
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}