var newWin = null; 
	function popup() { 
		if (newWin != null && !newWin.closed) 
   		newWin.close(); 
 		var strOptions="";  
   		strOptions="height=460,width=430,scrollbars,"+ 
    		"resizable,location"; 
 		newWin = window.open('info_shopping_cart.php', 'newWin',strOptions); 
 		newWin.focus(); 
	}
	
	var newWin2 = null; 
	function popupnew(file,strOptions) { 
		if (newWin2 != null && !newWin2.closed) 
   		newWin2.close();  
 		newWin2 = window.open(file, 'newWin2',strOptions); 
 		newWin2.focus(); 
	}