var current = 0;

function swapimg( show ){

	var piece = new Array();
	var title = new Array();
	var size = new Array();
	var meta = new Array();


	piece[0] = 'supercharger_pulley_lineup.jpg';
	title[0] = 'Supercharger Pulleys';
	size[0] = 'Product Line';
	meta[0] = '';

	piece[1] = 'eaton_supercharger_pulley.jpg';
	title[1] = 'OEM Eaton Upgrade';
	size[1] = 'GT 110261';
	meta[1] = '';

	piece[2] = 'TVS_supercharger_pulley.jpg';
	title[2] = 'TVS Pulley';
	size[2] = 'GT 210261';
	meta[2] = '';

	piece[3] = 'roush_supercharger_pulley.jpg';
	title[3] = 'Roushcharger Pulley';
	size[3] = 'GT 306271';
	meta[3] = '';

	piece[4] = 'techco_supercharger_pulley.jpg';
	title[4] = 'Techco Pulley';
	size[4] = 'GT 408751';
	meta[4] = '';

	document.getElementById( 'featured' ).src = piece[show];
	document.getElementById( 'featured' ).alt = title[show];
	document.getElementById( 'featuretitle' ).innerHTML = title[show];
	document.getElementById( 'featuresize' ).innerHTML = size[show];
	document.getElementById( 'featuremeta' ).innerHTML = meta[show];
	
	for( i = 0; i < meta.length; i++ ){
		document.getElementById( 'item' + i ).style.opacity = '.5';
	}
	document.getElementById( 'item' + ( show ) ).style.opacity = '.99';
	
	current = ( show );
	
	if ( current == 0 ){
		document.getElementById( 'previous' ).style.display = 'none';
	}
	else{
		document.getElementById( 'previous' ).style.display = '';
	}
	if ( current == (meta.length - 1) ){
		document.getElementById( 'next' ).style.display = 'none';
	}
	else{
		document.getElementById( 'next' ).style.display = '';
	}
}
/*

function next(){
	working = current;
	swapimg( working + 1 );
}

function previous(){
	working = current;
	swapimg( working - 1 );
}*/