function initPage()
{	
	var main_box = document.getElementById("main-box");
	if ( main_box ) {
		if ( document.getElementById("sub-box") ) main_box.style.width = '370px'
		else main_box.style.width = '575px';
	}
}
if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);