$(function(){

	var current = "";
	
	 function fullStrength(){
	 	$(this).fadeTo("fast", 0.9999);
	 };
     function halfStrength(){
     	var a_current = "a_"+current;
     	var self = this.id; 
     	if (self == a_current){
	 		$(this).fadeTo("fast", 0.9999);
	 	}else{
	 		$(this).fadeTo("fast", 0.4);
	 	}
	 };
    
    //Button Function builds all the functionality for the buttons 
    function Button(targetId){
    	this.targetId = targetId;
    	$("#a_"+targetId).hover(fullStrength, halfStrength);
    	$("#a_"+targetId).click(function(event){
    		if(current!=targetId){
			$("#content_"+targetId).slideDown("slow");
			$("#content_"+current).hide();
			$(this).addClass("active_speaker");
			$("#a_"+current).fadeTo("fast", 0.4);
			current = targetId;
       		// Stop the link click from doing its normal thing
       		return false;
       		} else if(current==targetId){
       			$(this).fadeTo("fast", 0.4);
       			$("#content_"+targetId).slideUp("slow");
       			$(this).removeClass("active_speaker");
       			current = "";
       		}
       	});
    };
	
	var speakers = new Array("bichard", "downs", "irwin", "buchanan", "triggs", "vaughan");
	var x;
	for (x in speakers){
		$("#content_"+speakers[x]).hide();
		var buttonName = "btn_"+speakers[x];
		var buttonName = new Button(speakers[x]);//Create Button objects for all the buttons
	}
	
});