/*
Musi obsahovat: 

*/

function hoverOn(tag) 
{
 	tag.origClassName = tag.className;		// backup original className
	var tempClassStr = tag.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
	tag.className = tag.className + " " + tempClassStr; 
	window.status = tag.className;			// only for TEST
}

function hoverOff(tag) 
{
  if(tag.origClassName)
    tag.className = tag.origClassName;
}