function script() {
	var isOpera = (navigator.userAgent.indexOf("Opera") != -1);
	var isIE = ((!isOpera)&&(navigator.appName.indexOf("Microsoft Internet Explorer") != -1));
    if ((isIE)&&(document.getElementById('search')))
		document.getElementById('search').className='ie';
	if (getClientWidth()<1250)
		document.getElementById('header').className='header_small';
	else
		document.getElementById('header').className='header_big';
	
}

function getClientWidth()
{
	return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}