var open_ad = false;

$(document).ready(function(){



	$("#sel_all_subjects").click(function(){

		var checkedVal = this.checked;

 		$('#offeringSubjects').find("input").each( 

	  		function(){

		  		var x = this;

		  		var name = x.id;

			 	document.getElementById(name).checked = checkedVal;

		  		

			});

	});

	

	$("#sel_all_cats").click(function(){

		var checkedVal = this.checked;

 		$('#offeringCategories').find("input").each( 

	  		function(){

		  		var x = this;

		  		var name = x.id;

			 	document.getElementById(name).checked = checkedVal;

			});

	});

	// do we want to focus and open on a specific ad?
	if (open_ad) {
		document.getElementById('details_focus_1').focus();
	}

});