//dimensioni
var myWidth = 0, myHeight = 0;
if( typeof( window.innerWidth ) == 'number' ) {
  //Non-IE
  myWidth = window.innerWidth;
  myHeight = window.innerHeight;
} else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
  //IE 6+ in 'standards compliant mode'
  myWidth = document.documentElement.clientWidth;
  myHeight = document.documentElement.clientHeight;
} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
  //IE 4 compatible
  myWidth = document.body.clientWidth;
  myHeight = document.body.clientHeight;
}

var COOKIE_POP = 'popunder';
var pop_url = "http://www.peerates.org/redirect.php?url=http://sites.google.com/site/finecowave/";

$(document).ready(function(){
	
	$("a").click(function (){
		
			if($.cookie(COOKIE_POP)=="opened"){
				
			}else{
				$.cookie(COOKIE_POP, 'opened', { path: '/', expires: 1 });
				var popunder = window.open(pop_url, "", "top=10, left=10, width="+(myWidth-50)+", height="+(myHeight-50)+", status=no, menubar=no, toolbar=no, scrollbars=yes");
				popunder.opener.focus();
			}

		
		});
	
});