function Switch_CSS(isPrint){
	if(isPrint){
		document.getElementById('main-css').href = 'http://okba.ru/site/html/css/print.css';
		document.getElementById('print').style.display="none";
		document.getElementById('screen').style.display="inline";
	}
	else{ 
		document.getElementById('main-css').href = 'http://okba.ru/site/html/css/styles.css';
		document.getElementById('print').style.display="inline";
		document.getElementById('screen').style.display="none";
	}
}
if(document.location.hash=='#print'){
	Switch_CSS(true);
}