function displayWindow2(url, nameW, width, height) 
{ 
//pokazuje koszyk
		
		var Win = window.open(url,'koszykCrux','width=' + 630 + ',height=' + 550 + ',resizable=0,scrollbars=yes,menubar=no,left='+(screen.width-630)/2+',top='+(screen.height-550)/2 ); 
		Win.focus();
		return Win;
	
	
}


function displayWindow(url, nameW, Zwidth, Zheight) 
{ 
//pokazuje okno
		
		window.open(url,nameW,'width=' + Zwidth + ',height=' + Zheight + ',resizable=0,scrollbars=yes,menubar=no,left='+(screen.width-Zwidth)/2+',top='+(screen.height-Zheight)/2 ); 
		
	
	
}