function popup (url,w,h) {
	t = (screen.height/2)-(h); 
	l = (screen.width/2)-(w/2);
	wd = window.open (url, '', 'location=no,scrollbars=no,menubar=no,status=no,resizable=no,top='+t+',left='+l+',width='+w+',height='+h);
}

	var wnd;



	function open_window(href, iwidth, iheight, iScrolling)

	{

		wnd = window.open(href, 'pop_up', 'status=0,fullscreen=0,toolbar=0,menubar=0,resizable=0,width=' + iwidth +',height=' + iheight +' ,scrollbars=' + iScrolling);

		if ( document.all ) wnd.focus();

	}



	function open_img(href, iname, iwidth, iheight, iScrolling)

	{

		wnd = window.open(href, iname, 'status=0,fullscreen=0,toolbar=0,menubar=0,resizable=0,width=' + iwidth +',height=' + iheight +' ,scrollbars=' + iScrolling);

		if ( document.all ) wnd.focus();

	}