function OpenImageWindow(title, filepath, width, height, description) {

	var winLeft = (screen.width - width) / 2;
	var winTop = (screen.height - height) / 2 - 20;

	if (width > 1024)
	{
		width=width/3;
		height = height/3;
	}
	features = "'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1, width=" + width*2 + ", height=" + height*3 + ", left=" + winLeft + ", top=" + winTop + "'";
	
	HTMLstring='<HTML>\n';
	HTMLstring+='<HEAD>\n';
	HTMLstring+='<TITLE>' + title + '</TITLE>\n';
	HTMLstring+='</HEAD>\n';
	HTMLstring+='<BODY topmargin="0" leftmargin="0" rightmargin="0" bottommargin="0">\n';
    HTMLstring+='<DIV align="center">\n';
	HTMLstring+='<P><img src="' + filepath + '" width="' + width + '" height="'+ height +'"></P>\n';
    HTMLstring+='<BR><BR><span style="font-family:Verdana;font-size:12px;">' + description + '</span>\n';
    HTMLstring+='</DIV>\n';
	HTMLstring+='</BODY>\n';
	HTMLstring+='</HTML>';

	newWin = window.open("", "ImageWindow", features);
	newWin.document.write(HTMLstring);
	newWin.document.close();
	newWin.focus();
}