// JavaScript Document

$(document).ready(function()
{

    var counterDist = 0;
    var counterMult = 0;
    var counterMedi = 0;
    var counterMoni = 0;


	$("#leftnav p.dist_nav").click(function()
    {
		 counterDist++;
		 counterMult = 0;
		 counterMedi = 0;
		 counterMoni = 0;

		 $(this).css({backgroundImage:"url(images/nav/dist_on.png)"}).next("div.subnav").slideToggle(500).siblings("div.subnav").slideUp("slow");
		 $("#leftnav p.mult_nav").css({backgroundImage:"url(images/nav/mult_off.png)"});
		 $("#leftnav p.media_nav").css({backgroundImage:"url(images/nav/media_off.png)"});
		 $("#leftnav p.monitor_nav").css({backgroundImage:"url(images/nav/monitor_off.png)"});

		 if((counterDist%2)==0){
		    $(this).css({backgroundImage:"url(images/nav/dist_off.png)"})
		 }

	});

	$("#leftnav p.mult_nav").click(function()
    {
	     counterMult++;
	     counterDist = 0;
	     counterMedi = 0;
		 counterMoni = 0;

	     $(this).css({backgroundImage:"url(images/nav/mult_on.png)"}).next("div.subnav").slideToggle(500).siblings("div.subnav").slideUp("slow");
		 $("#leftnav p.dist_nav").css({backgroundImage:"url(images/nav/dist_off.png)"});
		 $("#leftnav p.media_nav").css({backgroundImage:"url(images/nav/media_off.png)"});
		 $("#leftnav p.monitor_nav").css({backgroundImage:"url(images/nav/monitor_off.png)"});

		 if((counterMult%2)==0){
		    $(this).css({backgroundImage:"url(images/nav/mult_off.png)"})
		 }

	});

	$("#leftnav p.media_nav").click(function()
    {

	     counterMedi++;
	     counterDist = 0;
	     counterMult = 0;
		 counterMoni = 0;

	     $(this).css({backgroundImage:"url(images/nav/media_on.png)"}).next("div.subnav").slideToggle(500).siblings("div.subnav").slideUp("slow");
	     $("#leftnav p.dist_nav").css({backgroundImage:"url(images/nav/dist_off.png)"});
         $("#leftnav p.mult_nav").css({backgroundImage:"url(images/nav/mult_off.png)"});
		 $("#leftnav p.monitor_nav").css({backgroundImage:"url(images/nav/monitor_off.png)"});

		 if((counterMedi%2)==0){
		    $(this).css({backgroundImage:"url(images/nav/media_off.png)"})
		 }

	});

	$("#leftnav p.monitor_nav").click(function()
    {

	     counterMoni++;
	     counterDist = 0;
		 counterMult = 0;
	     counterMedi = 0;

	     $(this).css({backgroundImage:"url(images/nav/monitor_on.png)"}).next("div.subnav").slideToggle(500).siblings("div.subnav").slideUp("slow");
		 $("#leftnav p.dist_nav").css({backgroundImage:"url(images/nav/dist_off.png)"});
 		 $("#leftnav p.mult_nav").css({backgroundImage:"url(images/nav/mult_off.png)"});
		 $("#leftnav p.media_nav").css({backgroundImage:"url(images/nav/media_off.png)"});

		 if((counterMoni%2)==0){
		    $(this).css({backgroundImage:"url(images/nav/monitor_off.png)"})
		 }


	});

});