function hideMain() {
	$(document.getElementById("main")).replaceWith("<div id=\"main\" style=\"height: 369px; width: 940px; padding-left: 14px; padding-right: 14px;\"></div>");
	document.getElementById("main_shadowtop").style.background="none"; 
	document.getElementById("main_shadowbottom").style.background="none";
	document.getElementById("main").style.background="none";
}