function changeSize(size) {
	var size;
	switch(size) {
		case "standard":
			document.getElementById("divMain").style.width = "754px";
			document.getElementById("div1").style.width = "549px";
			document.getElementById("divHead1").style.width = "559px";
			break;
		case "improved":
			document.getElementById("divMain").style.width = "974px";
			document.getElementById("div1").style.width = "769px";
			document.getElementById("divHead1").style.width = "779px";
			break;
	}
	return false;
}