var idNumber; //unique id number attributed to content and items
var totalID = 40; //total values to listen for
var itemName = "item"; //id name of link items
var contentTitle = "content-"; //id name of div content

$(document).ready(function(){
		
		function clear(){ //sets all content areas to display:none
	        for (idNumber = 0; idNumber <= totalID;  idNumber++){
	        
		         $("#" + contentTitle + itemName + idNumber).css("display","none");
	
      			}
		}
		
		function fnClick(){ 
	        for (idNumber = 0; idNumber <= totalID;  idNumber++){
				
				$("#" + itemName + idNumber).click(function (){ //for clicking a linked item
					clear();
					var clickedItem = $(this).attr("id"); //grabs id of clicked item
					var contentApply = ("#" + contentTitle + clickedItem); //creates variable name of associated content
					$(contentApply).css("display","block"); //apply action to associated content
				});
			}
		}
				
		fnClick();

});