function tdIndex() {
	var objTD = document.getElementById("tdWidth");
	objTD.style.width = ((window.screen.innerWidth - 450) / 2) + "px";
}
		
function tdGallery() {
	var objTD = document.getElementById("tdWidth");
	objTD.style.width = ((window.screen.innerWidth - 600) / 2) + "px";
}

function tdBigGallery() {
	var objTD = document.getElementById("tdWidth");
	objTD.style.width = ((window.screen.innerWidth - 800) / 2) + "px";
}