var temp_win;
function new_window(obrazek,x,y,up){
	var xWin=(screen.availWidth-25);
	var yWin=(screen.availHeight-25);
	var xscrepos=((xWin-x)/2);
	var yscrepos=((yWin-y)/2);
	if (temp_win){
		temp_win.close();
	}
	if (  (xWin<=x)||(yWin<=y)  ){
		eval('temp_win = window.open(obrazek,"nazwa","menubar=no,status=no,toolbar=no,resizable=no,directories=no,scrollbars=yes,fullscreen=no,top=200,left=0,height='+yWin+',width='+xWin+'")')
	}
	else if( (xWin>x)&&(yWin>y) ){
		eval('temp_win = window.open(obrazek,"nazwa","menubar=no,status=no,toolbar=no,resizable=no,directories=no,scrollbars=no,fullscreen=no,top='+up+',left='+xscrepos+',height='+y+',width='+x+'")')
	}
}
function new_window2(obrazek,x,y,up){
	var xWin=(screen.availWidth-25);
	var yWin=(screen.availHeight-25);
	var xscrepos=((xWin-x)/2);
	var yscrepos=((yWin-y)/2);
	if (temp_win){
		temp_win.close();
	}
	if (  (xWin<=x)||(yWin<=y)  ){
		eval('temp_win = window.open(obrazek,"nazwa","menubar=no,status=no,toolbar=no,resizable=no,directories=no,scrollbars=yes,fullscreen=no,top=200,left=0,height='+yWin+',width='+xWin+'")')
	}
	else if( (xWin>x)&&(yWin>y) ){
		eval('temp_win = window.open(obrazek,"nazwa","menubar=no,status=no,toolbar=no,resizable=no,directories=no,scrollbars=yes,fullscreen=no,top='+up+',left='+xscrepos+',height='+y+',width='+x+'")')
	}
}