function bs()
{
	var h1 = document.getElementById("l_block").offsetHeight;
	var h2 = document.getElementById("r_block").offsetHeight;
	var h3 = document.getElementById("text").offsetHeight;
	
	if (h1 > h3 && h1 > h2)
		document.getElementById("text").style.height = h1 + 'px';
	else if (h2 > h3 && h2 > h1)
		document.getElementById("text").style.height = h2 + 'px';

}

function fPage(id)
{
	var h4 = 0;
	var h5 = document.getElementById("text").offsetHeight;
	
	if (id=='text2')
	{
		document.getElementById('text2').style.display = 'block';
		document.getElementById('tech').style.display = 'none';
		
		document.getElementById('text2Id').className = 'sel';
		document.getElementById('techId').className = '';
		h4 = document.getElementById('text2').offsetHeight;
	}
	else
	{
		document.getElementById('text2').style.display = 'none';
		document.getElementById('tech').style.display = 'block';
		
		document.getElementById('text2Id').className = '';
		document.getElementById('techId').className = 'sel';
		h4 = document.getElementById('tech').offsetHeight;
	}
	
	if (h4>h5) document.getElementById("text").style.height = h4 + 200 + 'px';
}