var fDesc=new Array();

fDesc[1] = "kinds of lush vegetation in many different shades of green. You are sitting on the shore of a small calm lake, surrounded by all kinds of plants.";
		fDesc[2] = "HVAC or refrigeration. The software lets you calculate, analyze, edit, draw and print conditions and processes of moist air. The program is accurate and the results can then be exported.";
		fDesc[3] = "of a psychrometric chart. EZAir is a great tool for any HVAC professional to find: Temperatures, Dew Point, Humidities, Enthalp...";
		fDesc[4] = "temperature and absolute humidity. This is known as psychometrics. The program creates graphic, interactive psychometric charts along different axes. Each axis of a graph comes with an explanation, and the thermal processes being covered are also explained in more detail.";
		fDesc[5] = "and reliable data based on Hyland and Wexler's reports published by ASHRAE, which treat air and vapor as real gases, rather than ideal gases.";
		fDesc[6] = "utility can be used to visualize either the state of a drying gas or an isenthalpic drying process.";
		
function tCollapseAll(maxID)
{
	document.getElementById("alls_action").innerHTML = "<span id=\"exp1\" onclick=\"JavaScript:tExpandAll(" + maxID + ");\">Expand descriptions</span>";
		
	var id=1;
	for (id=1; id <= maxID; id++) 
	{
		if (document.getElementById("desc_" + id))
			tShowHide(id, 2);
	}
}

function tExpandAll(maxID)
{
	document.getElementById("alls_action").innerHTML = "<span id=\"exp2\" onclick=\"JavaScript:tCollapseAll(" + maxID + ");\">Collapse descriptions</span>";

	var id=1;
	for (id=1; id <= maxID; id++) 
	{
		if (document.getElementById("more_" + id))
			tShowHide(id, 1);
	}
}

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

	if ((s.innerHTML!=fDesc[id] || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
	}
	else
	{
		s.innerHTML = '...';
	}
}