function openPopup(win_width,win_height,screen_x,screen_y,win_name,target_url) {

	var popup = window.open('',win_name,'width=' + win_width + ',height=' + win_height + ',screenX=' + screen_x + ',screenY=' + screen_y + ',left=' + screen_x + ',top=' + screen_y + ',toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0');

	popup.location = target_url;

}