function changePicture(state,image)
{
	if (state == 1)
	{
		document[image].src="../pic/TAD_arrowRight.jpg";
	}
	
	if (state == 2)
	{
		document[image].src="../pic/dummy.jpg";
	}
}

function switchLayer(layerName)
{
	var type = "";
		
	if (navigator.userAgent.indexOf("Opera") != -1 && document.all)
		type="OP";
		
	if (document.all && navigator.userAgent.indexOf("Opera") == -1) 
		type="IE";
		
	if (!document.all && document.getElementById)
		type="GECKO";
	
	if(type == "IE")
	{
		document.all[layerName].style.display = (document.all[layerName].style.display == 'block') ? 'none' : 'block';
	}
	else if(type == "GECKO" || type == "OP")
	{
		document.getElementById(layerName).style.display = (document.getElementById(layerName).style.display == 'table-row') ? 'none' : 'table-row';
	}
}