function loadFunc() {
	changeHeight();
}
function loadFunc2() {
	changeHeight();
}
function changeHeight() {
	var divh = $('site_container').offsetHeight;
	divh -= 80;
	divh += "px";
	$('shadow_ls').style.height = divh;
	$('shadow_rs').style.height = divh;
}
function nav_over(menu) {
	if ($('nav_container').className != menu) {
		$('nav_container').className = menu;
	}
}
function strechImages() {
}