isNav = 0;
archive = 0;
y2008 = 0;
y2007 = 0;
y2006 = 0;
t=0;

expandnavigation_on = new Image();expandnavigation_on.src="images/expandnavigation_on.gif";
expandnavigation_off = new Image();expandnavigation_off.src="images/expandnavigation_off.gif";

january_on = new Image();january_on.src="images/01_on.gif";
january_off = new Image();january_off.src="images/01_off.gif";

february_on = new Image();february_on.src="images/02_on.gif";
february_off = new Image();february_off.src="images/02_off.gif";

march_on = new Image();march_on.src="images/03_on.gif";
march_off = new Image();march_off.src="images/03_off.gif";

april_on = new Image();april_on.src="images/04_on.gif";
april_off = new Image();april_off.src="images/04_off.gif";

may_on = new Image();may_on.src="images/05_on.gif";
may_off = new Image();may_off.src="images/05_off.gif";

june_on = new Image();june_on.src="images/06_on.gif";
june_off = new Image();june_off.src="images/06_off.gif";

july_on = new Image();july_on.src="images/07_on.gif";
july_off = new Image();july_off.src="images/07_off.gif";

august_on = new Image();august_on.src="images/08_on.gif";
august_off = new Image();august_off.src="images/08_off.gif";

september_on = new Image();september_on.src="images/09_on.gif";
september_off = new Image();september_off.src="images/09_off.gif";

october_on = new Image();october_on.src="images/10_on.gif";
october_off = new Image();october_off.src="images/10_off.gif";

november_on = new Image();november_on.src="images/11_on.gif";
november_off = new Image();november_off.src="images/11_off.gif";

december_on = new Image();december_on.src="images/12_on.gif";
december_off = new Image();december_off.src="images/12_off.gif";

subscribe_on = new Image();subscribe_on.src="images/subscribe_on.gif";
subscribe_off = new Image();subscribe_off.src="images/subscribe_off.gif";

currentissue_on = new Image();currentissue_on.src="images/currentissue_on.gif";
currentissue_off = new Image();currentissue_off.src="images/currentissue_off.gif";

archive_on = new Image();archive_on.src="images/archive_on.gif";
archive_off = new Image();archive_off.src="images/archive_off.gif";

sendtoafriend_on = new Image();sendtoafriend_on.src="images/sendtoafriend_on.gif";
sendtoafriend_off = new Image();sendtoafriend_off.src="images/sendtoafriend_off.gif";

aboutism_on = new Image();aboutism_on.src="images/aboutism_on.gif";
aboutism_off = new Image();aboutism_off.src="images/aboutism_off.gif";

contactus_on = new Image();contactus_on.src="images/contactus_on.gif";
contactus_off = new Image();contactus_off.src="images/contactus_off.gif";

img2006_on = new Image();img2006_on.src="images/2006_on.gif";
img2006_off = new Image();img2006_off.src="images/2006_off.gif";

img2007_on = new Image();img2007_on.src="images/2007_on.gif";
img2007_off = new Image();img2007_off.src="images/2007_off.gif";

img2008_on = new Image();img2008_on.src="images/2008_on.gif";
img2008_off = new Image();img2008_off.src="images/2008_off.gif";

img2009_on = new Image();img2009_on.src="images/2009_on.gif";
img2009_off = new Image();img2009_off.src="images/2009_off.gif";

img2010_on = new Image();img2010_on.src="images/2010_on.gif";
img2010_off = new Image();img2010_off.src="images/2010_off.gif";

img2011_on = new Image();img2011_on.src="images/2011_onstate.gif";
img2011_off = new Image();img2011_off.src="images/2011_offstate.gif";

function chgImg(id1,id2){
	if(id1==document.getElementById('archive')){
		if(archive){
			exit();
		}
	}
	if(id1==document.getElementById('img2008')){
		if(y2008){
			exit();
		}
	}
	if(id1==document.getElementById('img2007')){
		if(y2007){
			exit();
		}
	}
	if(id1==document.getElementById('img2006')){
		if(y2006){
			exit();
		}
	}
	id1.src = id2.src;

	clearTimeout(t);
	t=setTimeout("closeNav()",15000)
}

function goArchive(){
	//alert("archive");

	if(archive){
		if(y2008){
			new Effect.SlideUp('2008',{duration:1,queue:{scope:'bodyscope'}});
			y2008=0;
		}
		if(y2007){
			new Effect.SlideUp('2007',{duration:1,queue:{scope:'bodyscope'}});
			y2007=0;
		}
		if(y2006){
			new Effect.SlideUp('2006',{duration:1,queue:{scope:'bodyscope'}});
			y2006=0;
		}
		new Effect.SlideUp('years',{duration:0.5,queue:{scope:'bodyscope'}});
		archive=0;
	}else{
		new Effect.SlideDown('years',{duration:0.5,queue:{scope:'bodyscope'}});
		archive=1;
	}
	clearTimeout(t);
	t=setTimeout("closeNav()",15000)
}

function goYear(id){
	//alert("year");
	switch(id){
		case '2006':
			if(y2007){
				new Effect.SlideUp('2007',{duration:1,queue:{scope:'bodyscope'}});
				y2007=0;
			}
			if(y2008){
				new Effect.SlideUp('2008',{duration:1,queue:{scope:'bodyscope'}});
				y2007=0;
			}
			document.getElementById('img2007').src = "images/2007_off.gif";
			document.getElementById('img2008').src = "images/2008_off.gif";
			y2006 = 1;
		break;
		case '2007':
			if(y2006){
				new Effect.SlideUp('2006',{duration:1,queue:{scope:'bodyscope'}});
				y2006=0;
			}
			if(y2008){
				new Effect.SlideUp('2008',{duration:1,queue:{scope:'bodyscope'}});
				y2007=0;
			}
			document.getElementById('img2006').src = "images/2006_off.gif";
			document.getElementById('img2008').src = "images/2008_off.gif";
			y2007 = 1;
		break;
		case '2008':
			if(y2006){
				new Effect.SlideUp('2006',{duration:1,queue:{scope:'bodyscope'}});
				y2006=0;
			}
			if(y2007){
				new Effect.SlideUp('2007',{duration:1,queue:{scope:'bodyscope'}});
				y2007=0;
			}
			document.getElementById('img2006').src = "images/2006_off.gif";
			document.getElementById('img2007').src = "images/2007_off.gif";
			y2008 = 1;
		break;
	}
	new Effect.SlideDown(id,{duration:1,queue:{scope:'bodyscope'}});

	clearTimeout(t);
	t=setTimeout("closeNav()",15000)
}

function goNav(){
	if(isNav){

	}else{
		new Effect.SlideDown('nav',{duration:1,queue:{scope:'bodyscope'}});
		document.getElementById('expandnavigation').src = "images/expandnavigation_on.gif";
		t=setTimeout("closeNav()",15000)
		isNav = 1;
	}
}

function closeNav(){
		new Effect.SlideUp('nav',{duration:1,queue:{scope:'bodyscope'}});
	document.getElementById('expandnavigation').src = "images/expandnavigation_off.gif";
		isNav = 0;
}