var d=document;
d.c_tab = 1;

var b = 'ns6';



//	preload images
	
if(d.images){

	var j=0, a = new Array();
	d.preload = new Array();
	
	//	images to preload, in order of requirement
	a[a.length] = 'tab2_over.'+((b=='w')?'gif':'png');
	a[a.length] = 'tab3_over.'+((b=='w')?'gif':'png');
	a[a.length] = 'tab2_on.'+((b=='w')?'gif':'png');
	a[a.length] = 'tab3_on.'+((b=='w')?'gif':'png');
	a[a.length] = 'tab1_over.'+((b=='w')?'gif':'png');
	a[a.length] = 'tab1_off.'+((b=='w')?'gif':'png');
	a[a.length] = 'back2.jpg';
	a[a.length] = 'back3.jpg';

	//	loop through images, making sourced objects of them
	for(i=0; i<a.length; i++) {
		d.preload[i]=new Image;
		d.preload[i].src=a[i];
		}
//	alert('preloaded '+a.length+' of '+d.preload.length);

	}

	


function tab(i) {
	var img, base='/images/home/';
	if(d.c_tab != i && d.c_img!=null){
		img = findObj('img_tab'+d.c_tab);
		if(img != null){
			img.src = base+'tab'+d.c_tab+'_off.'+((b=='w')?'gif':'png');
			d.c_img.src = base+'tab'+i+'_on.'+((b=='w')?'gif':'png');
			d.c_img.oSrc = null;
			findObj('tab'+i).style.zIndex = 30;
			for(j=1;j<=3;j++) {
				info = findObj('info'+j);
				info.style.visibility = (i==j) ? 'visible' : 'hidden';
				info.style.display = (i==j) ? 'block' : 'none';
				}
			findObj('home_landscape').style.background = '#fff url("'+base+'back'+i+'.jpg") no-repeat';
			d.c_tab = i;
			}
		}
	return false;
	}



function tabover(i) {
	if(d.c_tab != i){
		var img, base='/images/home/';
		img = findObj('img_tab'+i);
		if(img != null){
			d.c_img=img;
			if(!img.oSrc) img.oSrc=img.src;
			img.src = base+'tab'+i+'_over.'+((b=='w')?'gif':'png');
			}
		}
	}

function tabout() {
	if(d.c_img != null && d.c_img.oSrc != null)
		d.c_img.src = d.c_img.oSrc;
	}




//	findObj() - courtesy Macromedia
//	finds and returns reference to object n
//	passing n?frameName lets you search within a specific frame
//	optional d variable specifies alternate document to search within
function 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=findObj(n,d.layers[i].document);
	
	if(!x && d.getElementById)
		x=d.getElementById(n);
		
	return x;
	
	}