function lon(termin,opred, ext) {
	var obj = document.getElementById("legendDiv");
	var terminobj = document.getElementById("termin");
	var opredobj = document.getElementById("opred");
	var readmoreobj = document.getElementById("readmore");
	if (obj) { 
		obj.style.display = 'block';
		terminobj.innerHTML=termin;
		opredobj.innerHTML=opred;
		if (ext>0) readmoreobj.style.display = 'block';
		}
}

function loff() {
	var obj = document.getElementById("legendDiv");
	var terminobj = document.getElementById("termin");
	var opredobj = document.getElementById("opred");
	var readmoreobj = document.getElementById("readmore");
	if (obj) { 
		obj.style.display = 'none';
		readmoreobj.style.display = 'none';
		terminobj.innerHTML="";
		opredobj.innerHTML="";
		}
}