jquery(document).ready(function(){
  var flagclosed = true;
  
  jquery("#control").click(function(e){
  
    if(flagclosed){ // closed
      jquery('#main-nav').animate({marginleft: 0}, 300, function() {
        jquery('#control').html('-');
      });
      if(!(navigator.useragent.indexof('ipad') != -1)){
				jquery('#main-wrapper').animate({marginleft: 200}, 300);
			}
      flagclosed = false;
		} else {
      jquery('#main-nav').animate({marginleft: -200}, 200, function() {
        jquery('#control').html('+');
      });
      if(!(navigator.useragent.indexof('ipad') != -1)){
				jquery('#main-wrapper').animate({marginleft: 0}, 200);
			}
      flagclosed = true;
		}		
		e.preventdefault();	
  });
});