function popup( url, w, h, windowName, r, st, s, l, m, t) {
	try {
		win.close();
	}catch(e){		
	}
	win = window.open(url, windowName, 'height=' +h+ ', width=' +w+ ', resizable=' +r+ ', status= ' +st+ ', scrollbars=' +s+ ', location=' +l+ ', menubar=' +m+  ', toolbar= ' +t+ ', left=5, top=5');
	win.focus();	
}