function tisk() {
  window.print();
}

function zpet() {
	history.back();
}

function OnLoadAction() {
  
}

function MenuOn(elem_name) {
  var element = document.getElementById(elem_name);
	element.origClassName = element.className;	// backup origonal className
	var tempClassStr = element.className;			
  tempClassStr += "Hover";					// convert name+'Hover' the last class name	to emulate tag.class:hover
	tempClassStr = tempClassStr.replace(/\s/g,"Hover ");	//convert name+'Hover' the others to emulate tag.class:hover
	tempClassStr += " hover";				// add simple 'hover' class name to emulate tag:hover
	element.className = element.className + " " + tempClassStr; 
	//window.status = element.className;		// only for TEST
}

function MenuOff(elem_name) {
  var element = document.getElementById(elem_name);
	element.className = element.origClassName;
}