xGap=(navigator.appName == "Netscape")?11:9;
yGap=(navigator.appName == "Netscape")?31:29;

function popFooter(quale){
	var xCrd=(screen.availWidth-684-xGap)/2;
	var yCrd=(screen.availHeight-543-yGap)/2; 
	windowFeatures = 'width=684,height=543,status=no,top='+yCrd+',left='+xCrd
	newWindow=window.open('../popup_footer/pop_'+quale+'.php', 'footer', windowFeatures);
	
}

function apriGiocoPippi(){
	var xCrd=(screen.availWidth-600-xGap)/2;
	var yCrd=(screen.availHeight-400-yGap)/2; 
	windowFeatures = 'width=600,height=400,status=no,top='+yCrd+',left='+xCrd
	newWindow=window.open('pop_pippi.html', 'gioco', windowFeatures);
	
}