var imgSrc="./images/";
if( document.images ){
	markets = new Image();
	markets.src=imgSrc+"button-markets.jpg";
	solutions = new Image();
	solutions.src=imgSrc+"button-solutions.jpg";
	products = new Image();
	products.src=imgSrc+"button-products.jpg";
	studies = new Image();
	studies.src=imgSrc+"button-case-studies.jpg";
	services = new Image();
	services.src=imgSrc+"button-services.jpg";
	company = new Image();
	company.src=imgSrc+"button-company.jpg";

	markets_over = new Image();
	markets_over.src=imgSrc+"over-button-markets.jpg";
	solutions_over = new Image();
	solutions_over.src=imgSrc+"over-button-solutions.jpg";
	products_over = new Image();
	products_over.src=imgSrc+"over-button-products.jpg";
	studies_over = new Image();
	studies_over.src=imgSrc+"over-button-case-studies.jpg";
	services_over = new Image();
	services_over.src=imgSrc+"over-button-services.jpg";
	company_over = new Image();
	company_over.src=imgSrc+"over-button-company.jpg";
}

function swap() {
	if ( document.images ) {
		for ( var i=0; i < swap.arguments.length; i += 2 ) {
			document[ swap.arguments[ i ] ].src = eval( swap.arguments[ i + 1 ] + ".src" );
		}
	}
}