var page;
var identity = new Object;

nav1 = new Image();
nav2 = new Image();
nav3 = new Image();
nav4 = new Image();
nav5 = new Image();
nav6 = new Image();
nav7 = new Image();
nav8 = new Image();
nav9 = new Image();
nav10 = new Image();
nav11 = new Image();
nav12 = new Image();
nav13 = new Image();
nav14 = new Image();
nav15 = new Image();
nav16 = new Image();
nav17 = new Image();
nav18 = new Image();
nav19 = new Image();
nav20 = new Image();
nav21 = new Image();
nav22 = new Image();

nav1.src = "images/nav/1.gif";
nav2.src = "images/nav/2.gif";
nav3.src = "images/nav/3.gif";
nav4.src = "images/nav/4.gif";
nav5.src = "images/nav/5.gif";
nav6.src = "images/nav/6.gif";
nav7.src = "images/nav/1BB.gif";
nav8.src = "images/nav/1BY.gif";
nav9.src = "images/nav/1YB.gif";
nav10.src = "images/nav/2BB.gif";
nav11.src = "images/nav/2BY.gif";
nav12.src = "images/nav/2YB.gif";
nav13.src = "images/nav/3BB.gif";
nav14.src = "images/nav/3BY.gif";
nav15.src = "images/nav/3YB.gif";
nav16.src = "images/nav/4BB.gif";
nav17.src = "images/nav/4BY.gif";
nav18.src = "images/nav/4YB.gif";
nav19.src = "images/nav/5BB.gif";
nav20.src = "images/nav/5YB.gif";
nav21.src = "images/nav/Y.gif";
nav22.src = "images/nav/YY.gif";


function change(objectID, disp)
{
	var marray=objectID.split('_');
	var parray=page.split('_');
	var temp = parseInt(marray[1]) - 1;
	var temp2 = parseInt(marray[1]) + 1;
	var btext = objectID + '_link';
	if (objectID != page) 
	{
		if (parray[1] == 0)
		{
			if (marray[1] == 1)
			{
				if (disp == "on")
				{
					var spacerb='spacer_' + marray[1];
					var nameb='YB' + marray[1];
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacerb='spacer_' + marray[1];
					var nameb='BB' + marray[1];
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav';
				}
			}
			else
			{
				if (disp == "on")
				{
					var spacera='spacer_' + temp;
					var namea='BY'+ temp;
					var spacerb='spacer_' + marray[1];
					var nameb='YB' + marray[1];
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacera='spacer_' + temp;
					var namea='BB' + temp;
					var spacerb='spacer_' + marray[1];
					var nameb='BB' + marray[1];
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav';
				}
			}
		}
		else if (parray[1] == temp)
		{
			if (disp == "on")
			{
				var spacera='spacer_' + temp;
				var namea='YY';
				var spacerb='spacer_' + marray[1];
				var nameb='YB' + marray[1];
				identity=document.getElementById(objectID);
				identity.className='Y';
				identity=document.getElementById(spacera);
				identity.className=namea;
				identity=document.getElementById(spacerb);
				identity.className=nameb;
				identity=document.getElementById(btext);
				identity.className='nav_highlight';
			}
			else if (disp == "off")
			{
				var spacera='spacer_' + temp;
				var namea='YB' + temp;
				var spacerb='spacer_' + marray[1];
				var nameb='BB' + marray[1];
				var off='B' + marray[1];
				identity=document.getElementById(objectID);
				identity.className=off;
				identity=document.getElementById(spacera);
				identity.className=namea;
				identity=document.getElementById(spacerb);
				identity.className=nameb;
				identity=document.getElementById(btext);
				identity.className='nav';
			}
		}
		else if (parray[1] == temp2)
		{
			if (marray[1] == 1)
			{
				if (disp == "on")
				{
					var spacera='spacer_' + (temp2 - 1);
					var namea='YY';
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacera='spacer_' + (temp2 - 1);
					var namea='BY' + (temp2 - 1);
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(btext);
					identity.className='nav';
				}
			}
			else
			{
				if (disp == "on")
				{
					var spacera='spacer_' + (temp2 - 1);
					var namea='YY';
					var spacerb='spacer_' + (marray[1] - 1);
					var nameb='BY' + (marray[1] - 1);
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacera='spacer_' + (temp2 - 1);
					var namea='BY' + (temp2 - 1);
					var spacerb='spacer_' + (marray[1] - 1);
					var nameb='BB' + (marray[1] - 1);
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
				identity=document.getElementById(btext);
				identity.className='nav';
				}
			}
		}
		else
		{
			if (marray[1] == 1)
			{
				if (disp == "on")
				{
					var spacerb='spacer_' + marray[1];
					var nameb='YB' + marray[1];
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacerb='spacer_' + marray[1];
					var nameb='BB' + marray[1];
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav';
				}
			}
			else
			{
				if (disp == "on")
				{
					var spacera='spacer_' + temp;
					var namea='BY'+ temp;
					var spacerb='spacer_' + marray[1];
					var nameb='YB' + marray[1];
					identity=document.getElementById(objectID);
					identity.className='Y';
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav_highlight';
				}
				else if (disp == "off")
				{
					var spacera='spacer_' + temp;
					var namea='BB' + temp;
					var spacerb='spacer_' + marray[1];
					var nameb='BB' + marray[1];
					var off='B' + marray[1];
					identity=document.getElementById(objectID);
					identity.className=off;
					identity=document.getElementById(spacera);
					identity.className=namea;
					identity=document.getElementById(spacerb);
					identity.className=nameb;
					identity=document.getElementById(btext);
					identity.className='nav';
				}
			}
		}
	}
}

function navset(a)
{
	var spacera;
	var spacerb;
	var namea;
	var nameb;
	page='button_' + a;
	var btext = page + '_link';
	var subnav ='sub_' + a;
	
	if(a != 0)
	{
		if( a > 1)
		{
			var b;
			b = a - 1;
			spacera='spacer_' + a;
			namea='YB' + a;
			spacerb='spacer_' + b;
			nameb='BY' + b;
			identity=document.getElementById(page);
			identity.className='Y';
			identity=document.getElementById(spacera);
			identity.className=namea;
			identity=document.getElementById(spacerb);
			identity.className=nameb;
			identity=document.getElementById(btext);
			identity.className='nav_highlight';
		}
		else
		{
			spacera='spacer_' + a;
			namea='YB' + a;
			identity=document.getElementById(page);
			identity.className='Y';
			identity=document.getElementById(spacera);
			identity.className=namea;
			identity=document.getElementById(btext);
			identity.className='nav_highlight';
		}
		if (subnav != 'sub_1' && subnav != 'sub_4' && subnav != 'sub_5')
		{
			roll('none', subnav);
		}
	}
}

function roll(chosen, objectID) 
{
	if(chosen == "none")
	{
		document.getElementById(objectID).style.display="block";
	}
	else
	{
		document.getElementById(objectID).style.display="none";
	}
}

function toggle(obj) 
{
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) 
	{
		el.style.display = 'none';
	}
	else 
	{
		el.style.display = 'block';
	}
}

function NewImgWindow(url,title,x,y,scroll) {
        var scroll = scroll || 'no'; 
        NewWin=window.open('','New','menubar=no,location=no,toolbar=no,resizeable=no,scrollbars=' + scroll + ',status=no,width=' + x + ',height=' + y);
        NewWin.document.write('<HTML><BODY style="cursor:pointer" onClick="window.close(this)"><TITLE>' + title + '<\/TITLE>' + '<img src="' + url + '"><\/BODY><\/html>');
}