/*
map.js created 2-2-2008 T. Graham Westerlund
contains scriptaculous effects for map and show hides for map app and IE fix for imagemap
*/

try {
  document.execCommand("BackgroundImageCache", false, true);
} catch(err) {}
	
//shows the different pages only 
function show_div(div_id,handleDiv,trackDiv,scrollableDiv) {
    // hide all the divs
	document.getElementById('loc_0').style.display = 'none';
	document.getElementById('loc_1').style.display = 'none';
	document.getElementById('loc_2').style.display = 'none';
	document.getElementById('loc_3').style.display = 'none';
	document.getElementById('loc_4').style.display = 'none';
	document.getElementById('loc_5').style.display = 'none';
	document.getElementById('loc_6').style.display = 'none';
	document.getElementById('loc_7').style.display = 'none';
	document.getElementById('loc_8').style.display = 'none';
	document.getElementById('loc_9').style.display = 'none';
	document.getElementById('loc_10').style.display = 'none';
	document.getElementById('loc_11').style.display = 'none';
	document.getElementById('loc_12').style.display = 'none';
	document.getElementById('loc_13').style.display = 'none';
	document.getElementById('loc_14').style.display = 'none';
	document.getElementById('loc_15').style.display = 'none';
	document.getElementById('loc_16').style.display = 'none';
	document.getElementById('loc_17').style.display = 'none';
	document.getElementById('loc_18').style.display = 'none';
	document.getElementById('loc_19').style.display = 'none';
	document.getElementById('loc_20').style.display = 'none';

// show the requested div
    document.getElementById(div_id).style.display = 'block';
	Element.hide(document.getElementById('back')); 
	Element.hide(document.getElementById('list'));
	/*add more effects here*/
	new Effect.toggle('back', 'appear', {duration:0.0});
	 
	
}//shows the different pages only used for scroll pages
function show_div_scroll(div_id,handleDiv,trackDiv,scrollableDiv) {
    // hide all the divs
	document.getElementById('loc_0').style.display = 'none';
	document.getElementById('loc_1').style.display = 'none';
	document.getElementById('loc_2').style.display = 'none';
	document.getElementById('loc_3').style.display = 'none';
	document.getElementById('loc_4').style.display = 'none';
	document.getElementById('loc_5').style.display = 'none';
	document.getElementById('loc_6').style.display = 'none';
	document.getElementById('loc_7').style.display = 'none';
	document.getElementById('loc_8').style.display = 'none';
	document.getElementById('loc_9').style.display = 'none';
	document.getElementById('loc_10').style.display = 'none';
	document.getElementById('loc_11').style.display = 'none';
	document.getElementById('loc_12').style.display = 'none';
	document.getElementById('loc_13').style.display = 'none';
	document.getElementById('loc_14').style.display = 'none';
	document.getElementById('loc_15').style.display = 'none';
	document.getElementById('loc_16').style.display = 'none';
	document.getElementById('loc_17').style.display = 'none';
	document.getElementById('loc_18').style.display = 'none';
	document.getElementById('loc_19').style.display = 'none';
	document.getElementById('loc_20').style.display = 'none';

// show the requested div
    document.getElementById(div_id).style.display = 'block';
	
	Element.hide(document.getElementById('back')); 
	Element.hide(document.getElementById('list'));
	/*add more effects here*/
	new Effect.toggle('back', 'appear', {duration:0.0});
	
	slider = new Control.Slider(handleDiv, trackDiv, {
			axis: 'vertical',
			onSlide: function(v) { scrollVertical(v, $(scrollableDiv), slider);  },
			onChange: function(v) { scrollVertical(v, $(scrollableDiv), slider); }
	});
	// disable vertical scrolling if text doesn't overflow the div
			if ($(scrollableDiv).scrollHeight <= $(scrollableDiv).offsetHeight) {
				slider.setDisabled();
				$(trackDiv).hide();
			}
	
}

/* show the requested div with effect of appearing and sliding down this one does the list amd hides the back to list anchor*/
function show_div_slideDown(div_id,handleDiv,trackDiv,scrollableDiv) {
	//document.getElementById('loc_0').style.display = 'none';
	document.getElementById('loc_1').style.display = 'none';
	document.getElementById('loc_2').style.display = 'none';
	document.getElementById('loc_3').style.display = 'none';
	document.getElementById('loc_4').style.display = 'none';
	document.getElementById('loc_5').style.display = 'none';
	document.getElementById('loc_6').style.display = 'none';
	document.getElementById('loc_7').style.display = 'none';
	document.getElementById('loc_8').style.display = 'none';
	document.getElementById('loc_9').style.display = 'none';
	document.getElementById('loc_10').style.display = 'none';
	document.getElementById('loc_11').style.display = 'none';
	document.getElementById('loc_12').style.display = 'none';
	document.getElementById('loc_13').style.display = 'none';
	document.getElementById('loc_14').style.display = 'none';
	document.getElementById('loc_15').style.display = 'none';
	document.getElementById('loc_16').style.display = 'none';
	document.getElementById('loc_17').style.display = 'none';
	document.getElementById('loc_18').style.display = 'none';
	document.getElementById('loc_19').style.display = 'none';
	document.getElementById('loc_20').style.display = 'none';
	document.getElementById('loc_0').style.display = 'block';
	
	Element.hide(document.getElementById('back')); 
	Element.hide(document.getElementById('list'));
	new Effect.Appear(document.getElementById('list')); 
	new Effect.SlideDown(document.getElementById('list'));
	/*add more effects here*/
 	// show the requested div

	slider = new Control.Slider(handleDiv, trackDiv, {
			axis: 'vertical',
			onSlide: function(v) { scrollVertical(v, $(scrollableDiv), slider);  },
			onChange: function(v) { scrollVertical(v, $(scrollableDiv), slider); }
	});
	// disable vertical scrolling if text doesn't overflow the div
			if ($(scrollableDiv).scrollHeight <= $(scrollableDiv).offsetHeight) {
				slider.setDisabled();
				$(trackDiv).hide();
			}
}

/*rollover and number functions for map and list*/function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function numberOn(link_id) {

// shows the requested number in the list and turns it the indicated color on mouseover
document.getElementById(link_id).style.color = '#ca3727';

}

function numberOff(link_id) {

// changes the requested number in the list and turns it the indicated color on mouseout
document.getElementById(link_id).style.color = '#595826';

}