var fDesc=new Array();
fDesc[0] = "Displayed parameters, on-screen text and mathematical variables are indicated by italics (for example, Weighting, Whole-body).<br /> Human vibration is defined as the effect of mechanical vibration in the environment on the human body.<br /> Calculates and displays the amount of time an operation can be carried out before exposure action and limit value are reached.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			document.getElementById('m1').style.display='none';
		if (document.getElementById('m2'))
			document.getElementById('m2').style.display='none';
		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}