function popup(url,name,fullscreen,win_width,win_height) {
	if(fullscreen){
		win_height = screen.height-65;
		win_width = screen.width-10;
		pos_horizon = 0;
		pos_vertical = 0;
	}else{
		pos_horizon = (((screen.width-10)/2)-(win_width/2));
		pos_vertical = (((screen.height-65)/2)-(win_height/2));
	}
	window.open(url,name,"width="+win_width+",height="+win_height+",top="+pos_vertical+",left="+pos_horizon);
}