var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		industry_over = newImage("images/industry-over.gif");
		question_over = newImage("images/question-over.gif");
		terms_over = newImage("images/terms-over.gif");
		preloadFlag = true;
	}
}

function doSelected(selectedItemId, cnt) {
	for ( var i = 1; i <= cnt; i++) {
		if(i%2 == 0) document.getElementById("industry-" + i).style.background = "#dddddd";
		else document.getElementById("industry-" + i).style.background = "#ffffff";
	}
	document.getElementById("industry-" + selectedItemId).style.background = "#999999";
	if(selectedItemId > 3) window.location.href = "#mobile_";
	if(selectedItemId > 6) window.location.href = "#industry-4";
}