function show_basket() {
	var w_x = 100;
	var w_y = 100;
	if(screen) {
		if((typeof screen.width) != 'undefined') w_x = (screen.width - 600)/2;
		if((typeof screen.height) != 'undefined') w_y = (screen.height - 500)/2;
	};
	open('','basket','location=0,menubar=0,scrollbars=1,status=0,toolbar=0,resizeable=0,width=600,height=500,left='+w_x+',top='+w_y);
}